Nagios Access tied to single computer from same IP Issue

Elik · Post by **Elik** » Mon Mar 19, 2018 2:15 pm

Howdy,

I have a annoying issue which I have been banging my head trying to fix. Basically, we work from the office which we have over 30 computers, but it goes out on the single IP on the router. The issue is that when other techs try to access the Nagios XI while one is already logged in, it times out for them.

I got around it by adding few more IPs to the server and they are able to access it as long none else is using the same domainname/IP to access Nagios. It seems it is locked to single sesson for single computer from the same IP address. So I am trying to figure out how to get this fixed. We are running it on CentOS 7 for it, and I had to modify the php.ini to allow larger memory usage due to the large amount of hosts and services loaded into nagios itself.

Anyone had this problem before for this?

npolovenko · Post by **npolovenko** » Mon Mar 19, 2018 3:31 pm

Hello, @Elik. Is the XI session timing out momentarily for the user1 when user2 logs in? Have you tried increasing the:

Code: Select all

session.gc_maxlifetime = 31536000

In /etc/php.ini. This should prevent the session from expiring.

Elik · Post by **Elik** » Tue Mar 20, 2018 8:11 am

Howdy,

That is not the issue for it. It is just that if multiple computers connecting to the same nagios from same IP, it renders them unreachable for everyone except one that is already in session for it. So what you suggested is not the solution for it.

Elik · Post by **Elik** » Tue Mar 20, 2018 10:35 am

Note this is on CentOS 7. I never had this issue under CentOS6 but I re-installed to have it run on CentOS 7 instead due to support of the newer python for several plugins needed for it.

Something tells me that there is something in the apache or php configuration that is actively locking the sessions to one computer per IP for access, but not from multiple access from same IP to the nagios for access.

Post by **mcapra** » Tue Mar 20, 2018 9:12 pm

Elik wrote:Basically, we work from the office which we have over 30 computers, but it goes out on the single IP on the router.

I'm now up to 30 unique sessions (some unique users, some same users) from my desktop all originating from the exact same logical address to a Nagios XI VM without any problems maintaining the individual sessions. No one getting kicked out, no funny business in general.

Are you willing to share the php.ini from your Nagios XI machine as well as the output of php -r 'phpinfo();'?

If you don't know where php.ini is located, this guy should be of assistance:

Code: Select all

php -r 'phpinfo();' | grep 'Loaded Configuration File'

Elik · Post by **Elik** » Wed Mar 21, 2018 1:25 am

Hello,

if it is from the same computer from the behind the router, it does not matter, since it would be fine. It is due to unique mac addresses from the different computers from the same router that is the issue for it.

Code: Select all

Post by **mcapra** » Wed Mar 21, 2018 7:47 am

The only meaningful thing I see in the diff between your PHP and my XI OVF's PHP is your PHP does not seem to have a value for session.save_path. Here's the full output for your review:

Code: Select all

$ diff php_op.txt php_mine.txt
2c2
< PHP Version => 5.4.16
---
> PHP Version => 5.3.3
4,5c4,6
< System => Linux monitor.micfo.com 3.10.0-693.21.1.el7.x86_64 #1 SMP Wed Mar 7                                                                        19:03:37 UTC 2018 x86_64
< Build Date => Mar 7 2018 13:34:40
---
> System => Linux nagiosxi 2.6.32-696.13.2.el6.x86_64 #1 SMP Thu Oct 5 21:22:16                                                                        UTC 2017 x86_64
> Build Date => Mar 22 2017 12:26:48
> Configure Command =>  './configure'  '--build=x86_64-redhat-linux-gnu' '--host                                                                       =x86_64-redhat-linux-gnu' '--target=x86_64-redhat-linux-gnu' '--program-prefix='                                                                        '--prefix=/usr' '--exec-prefix=/usr' '--bindir=/usr/bin' '--sbindir=/usr/sbin'                                                                        '--sysconfdir=/etc' '--datadir=/usr/share' '--includedir=/usr/include' '--libdir                                                                       =/usr/lib64' '--libexecdir=/usr/libexec' '--localstatedir=/var' '--sharedstatedi                                                                       r=/var/lib' '--mandir=/usr/share/man' '--infodir=/usr/share/info' '--cache-file=                                                                       ../config.cache' '--with-libdir=lib64' '--with-config-file-path=/etc' '--with-co                                                                       nfig-file-scan-dir=/etc/php.d' '--disable-debug' '--with-pic' '--disable-rpath'                                                                        '--without-pear' '--with-bz2' '--with-exec-dir=/usr/bin' '--with-freetype-dir=/u                                                                       sr' '--with-png-dir=/usr' '--with-xpm-dir=/usr' '--enable-gd-native-ttf' '--with                                                                       out-gdbm' '--with-gettext' '--with-gmp' '--with-iconv' '--with-jpeg-dir=/usr' '-                                                                       -with-openssl' '--with-pcre-regex=/usr' '--with-zlib' '--with-layout=GNU' '--ena                                                                       ble-exif' '--enable-ftp' '--enable-magic-quotes' '--enable-sockets' '--enable-sy                                                                       svsem' '--enable-sysvshm' '--enable-sysvmsg' '--with-kerberos' '--enable-ucd-snm                                                                       p-hack' '--enable-shmop' '--enable-calendar' '--without-sqlite' '--with-libxml-d                                                                       ir=/usr' '--enable-xml' '--with-system-tzdata' '--enable-force-cgi-redirect' '--                                                                       enable-pcntl' '--with-imap=shared' '--with-imap-ssl' '--enable-mbstring=shared'                                                                        '--enable-mbregex' '--with-gd=shared' '--enable-bcmath=shared' '--enable-dba=sha                                                                       red' '--with-db4=/usr' '--with-xmlrpc=shared' '--with-ldap=shared' '--with-ldap-                                                                       sasl' '--with-mysql=shared,/usr' '--with-mysqli=shared,/usr/lib64/mysql/mysql_co                                                                       nfig' '--enable-dom=shared' '--with-pgsql=shared' '--enable-wddx=shared' '--with                                                                       -snmp=shared,/usr' '--enable-soap=shared' '--with-xsl=shared,/usr' '--enable-xml                                                                       reader=shared' '--enable-xmlwriter=shared' '--with-curl=shared,/usr' '--enable-f                                                                       astcgi' '--enable-pdo=shared' '--with-pdo-odbc=shared,unixODBC,/usr' '--with-pdo                                                                       -mysql=shared,/usr/lib64/mysql/mysql_config' '--with-pdo-pgsql=shared,/usr' '--w                                                                       ith-pdo-sqlite=shared,/usr' '--with-sqlite3=shared,/usr' '--enable-json=shared'                                                                        '--enable-zip=shared' '--without-readline' '--with-libedit' '--with-pspell=share                                                                       d' '--enable-phar=shared' '--with-tidy=shared,/usr' '--enable-sysvmsg=shared' '-                                                                       -enable-sysvshm=shared' '--enable-sysvsem=shared' '--enable-posix=shared' '--wit                                                                       h-unixODBC=shared,/usr' '--enable-fileinfo=shared' '--enable-intl=shared' '--wit                                                                       h-icu-dir=/usr' '--with-enchant=shared,/usr' '--with-recode=shared,/usr'
18a20
> /etc/php.d/mssql.ini,
21a24
> /etc/php.d/pdo_dblib.ini,
27d29
< /etc/php.d/posix.ini,
32,34d33
< /etc/php.d/sysvmsg.ini,
< /etc/php.d/sysvsem.ini,
< /etc/php.d/sysvshm.ini,
41,45c40,44
< PHP API => 20100412
< PHP Extension => 20100525
< Zend Extension => 220100525
< Zend Extension Build => API220100525,NTS
< PHP Extension Build => API20100525,NTS
---
> PHP API => 20090626
> PHP Extension => 20090626
> Zend Extension => 220090626
> Zend Extension Build => API220090626,NTS
> PHP Extension Build => API20090626,NTS
48d46
< Zend Signal Handling => disabled
50c48
< Zend Multibyte Support => provided by mbstring
---
> Zend Multibyte Support => disabled
52,53d49
< DTrace Support => disabled
<
55c51
< Registered Stream Socket Transports => tcp, udp, unix, udg, ssl, sslv3, tls
---
> Registered Stream Socket Transports => tcp, udp, unix, udg, ssl, sslv3, sslv2,                                                                        tls
57a54
>
59c56
< Zend Engine v2.4.0, Copyright (c) 1998-2013 Zend Technologies
---
> Zend Engine v2.3.0, Copyright (c) 1998-2010 Zend Technologies
62c59
< _______________________________________________________________________
---
>  _______________________________________________________________________
70c67
< Stream Wrapper support => compress.bzip2://
---
> Stream Wrapper support => compress.bz2://
72c69
< BZip2 Version => 1.0.6, 6-Sept-2010
---
> BZip2 Version => 1.0.5, 10-Dec-2007
80c77
< PHP Version => 5.4.16
---
> PHP Version => 5.3.3
82a80
> allow_call_time_pass_reference => Off => Off
94a93
> define_syslog_variables => Off => Off
103d101
< enable_post_data_reading => On => On
111a110
> highlight.bg => <font style="color: #FFFFFF">#FFFFFF</font> => <font style="co                                                                       lor: #FFFFFF">#FFFFFF</font>
124a124,126
> magic_quotes_gpc => Off => Off
> magic_quotes_runtime => Off => Off
> magic_quotes_sybase => Off => Off
132,133c134,135
< max_input_vars => 5000 => 5000
< memory_limit => 256M => 256M
---
> max_input_vars => 1000 => 1000
> memory_limit => 128M => 128M
141a144,145
> register_globals => Off => Off
> register_long_arrays => Off => Off
144a149,152
> safe_mode => Off => Off
> safe_mode_exec_dir => no value => no value
> safe_mode_gid => Off => Off
> safe_mode_include_dir => no value => no value
147c155
< serialize_precision => 17 => 17
---
> serialize_precision => 100 => 100
162c170
< zend.detect_unicode => On => On
---
> y2k_compliance => On => On
164,165d171
< zend.multibyte => Off => Off
< zend.script_encoding => no value => no value
174c180
< cURL Information => 7.29.0
---
> cURL Information => 7.19.7
177c183
< AsynchDNS => Yes
---
> AsynchDNS => No
190c196
< Protocols => dict, file, ftp, ftps, gopher, http, https, imap, imaps, ldap, ld                                                                       aps, pop3, pop3s, rtsp, scp, sftp, smtp, smtps, telnet, tftp
---
> Protocols => tftp, ftp, telnet, dict, ldap, ldaps, http, file, https, ftps, sc                                                                       p, sftp
192,194c198,200
< SSL Version => NSS/3.28.4
< ZLib Version => 1.2.7
< libSSH Version => libssh2/1.4.3
---
> SSL Version => NSS/3.27.1
> ZLib Version => 1.2.3
> libSSH Version => libssh2/1.4.2
201c207
< Default timezone => US/Eastern
---
> Default timezone => America/New_York
208c214
< date.timezone => US/Eastern => US/Eastern
---
> date.timezone => America/New_York => America/New_York
214c220
< libxml Version => 2.9.1
---
> libxml Version => 2.7.6
228c234
< EXIF Version => 1.4 $Id$
---
> EXIF Version => 1.4 $Id: exif.c 293036 2010-01-03 09:23:27Z sebastian $
243c249
< version => 1.0.5
---
> version => 1.0.5-dev
248c254
< Revision => $Id: 2aa8dd57d9c0c655cd45e6e5872bb95fa5ad76cf $
---
> Revision => $Revision: 298196 $
261c267
< GD Version => bundled (2.1.0 compatible)
---
> GD Version => bundled (2.0.34 compatible)
264,265c270
< FreeType Version => 2.4.11
< T1Lib Support => enabled
---
> FreeType Version => 2.3.11
271c276
< libPNG Version => 1.5.13
---
> libPNG Version => 1.2.49
274d278
< libXpm Version => 30411
287c291
< GMP version => 6.0.0
---
> GMP version => 4.3.1
292c296
< Hashing Engines => md2 md4 md5 sha1 sha224 sha256 sha384 sha512 ripemd128 ripe                                                                       md160 ripemd256 ripemd320 whirlpool tiger128,3 tiger160,3 tiger192,3 tiger128,4                                                                        tiger160,4 tiger192,4 snefru snefru256 gost adler32 crc32 crc32b fnv132 fnv164 j                                                                       oaat haval128,3 haval160,3 haval192,3 haval224,3 haval256,3 haval128,4 haval160,                                                                       4 haval192,4 haval224,4 haval256,4 haval128,5 haval160,5 haval192,5 haval224,5 h                                                                       aval256,5
---
> Hashing Engines => md2 md4 md5 sha1 sha224 sha256 sha384 sha512 ripemd128 ripe                                                                       md160 ripemd256 ripemd320 whirlpool tiger128,3 tiger160,3 tiger192,3 tiger128,4                                                                        tiger160,4 tiger192,4 snefru snefru256 gost adler32 crc32 crc32b salsa10 salsa20                                                                        haval128,3 haval160,3 haval192,3 haval224,3 haval256,3 haval128,4 haval160,4 ha                                                                       val192,4 haval224,4 haval256,4 haval128,5 haval160,5 haval192,5 haval224,5 haval                                                                       256,5
298c302
< iconv library version => 2.17
---
> iconv library version => 2.12
313c317
< RCS Version => $Id$
---
> RCS Version => $Id: ldap.c 299434 2010-05-17 20:09:42Z pajoye $
317c321
< Vendor Version => 20444
---
> Vendor Version => 20440
326,327c330,331
< libXML Compiled Version => 2.9.1
< libXML Loaded Version => 20901
---
> libXML Compiled Version => 2.7.6
> libXML Loaded Version => 20706
335d338
< libmbfl version => 1.3.2
368c371,376
< mhash
---
> mssql
>
> MSSQL Support => enabled
> Active Persistent Links => 0
> Active Links => 0
> Library version => FreeTDS
370,371c378,393
< MHASH support => Enabled
< MHASH API Version => Emulated Support
---
> Directive => Local Value => Master Value
> mssql.allow_persistent => On => On
> mssql.batchsize => 0 => 0
> mssql.charset => no value => no value
> mssql.compatability_mode => Off => Off
> mssql.connect_timeout => 5 => 5
> mssql.datetimeconvert => On => On
> mssql.max_links => Unlimited => Unlimited
> mssql.max_persistent => Unlimited => Unlimited
> mssql.max_procs => Unlimited => Unlimited
> mssql.min_error_severity => 10 => 10
> mssql.min_message_severity => 10 => 10
> mssql.secure_connection => Off => Off
> mssql.textlimit => Server default => Server default
> mssql.textsize => Server default => Server default
> mssql.timeout => 60 => 60
378c400
< Client API version => 5.5.56-MariaDB
---
> Client API version => 5.1.73
400c422
< Client API library version => 5.5.56-MariaDB
---
> Client API library version => 5.1.73
404c426
< Client API header version => 5.5.56-MariaDB
---
> Client API header version => 5.1.73
422,423c444,445
< OpenSSL Library Version => OpenSSL 1.0.2k-fips 26 Jan 2017
< OpenSSL Header Version => OpenSSL 1.0.2k-fips 26 Jan 2017
---
> OpenSSL Library Version => OpenSSL 1.0.1e-fips 11 Feb 2013
> OpenSSL Header Version => OpenSSL 1.0.1e-fips 11 Feb 2013
432c454
< PCRE Library Version => 8.32 2012-11-30
---
> PCRE Library Version => 7.8 2008-09-05
435c457
< pcre.backtrack_limit => 1000000 => 1000000
---
> pcre.backtrack_limit => 100000 => 100000
441c463,468
< PDO drivers => mysql, pgsql, sqlite
---
> PDO drivers => dblib, mysql, pgsql, sqlite
>
> pdo_dblib
>
> PDO Driver for FreeTDS/Sybase DB-lib => enabled
> Flavour => freetds
446,449c473
< Client API version => 5.5.56-MariaDB
<
< Directive => Local Value => Master Value
< pdo_mysql.default_socket => /var/lib/mysql/mysql.sock => /var/lib/mysql/mysql.                                                                       sock
---
> Client API version => 5.1.73
454c478
< PostgreSQL(libpq) Version => 9.2.23
---
> PostgreSQL(libpq) Version => 8.4.20
456c480
< Revision => $Id$
---
> Revision =>  $Id: pdo_pgsql.c 300351 2010-06-10 12:11:19Z iliaa $
461c485
< SQLite Library => 3.7.17
---
> SQLite Library => 3.6.20
466,467c490
< PostgreSQL(libpq) Version => 9.2.23
< PostgreSQL(libpq) => PostgreSQL 9.2.23 on x86_64-redhat-linux-gnu, compiled by                                                                        gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-16), 64-bit
---
> PostgreSQL(libpq) Version => 8.4.20
486c509
< SVN revision => $Id: c5042cc34acebcc0926625b57dff03deebbe6472 $
---
> SVN revision => $Revision: 298908 $
503,515d525
< posix
<
< Revision => $Id: 32db6705f5b617967a546be3114e178a4138c1ca $
<
< readline
<
< Readline Support => enabled
< Readline library => EditLine wrapper
<
< Directive => Local Value => Master Value
< cli.pager => no value => no value
< cli.prompt => \b \> => \b \>
<
519c529
< Version => $Id: 6c4d8062369898a397e4b128348042f5c01b4427 $
---
> Version => $Revision: 300393 $
528a539,540
> session.bug_compat_42 => Off => Off
> session.bug_compat_warn => Off => Off
536,537c548,549
< session.entropy_file => /dev/urandom => /dev/urandom
< session.entropy_length => 32 => 32
---
> session.entropy_file => no value => no value
> session.entropy_length => 0 => 0
546c558
< session.save_path => no value => no value
---
> session.save_path => /var/lib/php/session => /var/lib/php/session
548,553d559
< session.upload_progress.cleanup => On => On
< session.upload_progress.enabled => On => On
< session.upload_progress.freq => 1% => 1%
< session.upload_progress.min_freq => 1 => 1
< session.upload_progress.name => PHP_SESSION_UPLOAD_PROGRESS => PHP_SESSION_UPL                                                                       OAD_PROGRESS
< session.upload_progress.prefix => upload_progress_ => upload_progress_
565c571
< Revision => $Id: 692516840b2d7d6e7aedb0bedded1f53b764a99f $
---
> Revision => $Revision: 299424 $
571,572c577
< NET-SNMP Version => 5.7.2
< PHP SNMP Version => 0.1
---
> NET-SNMP Version => 5.5
592c597
< Classes => AppendIterator, ArrayIterator, ArrayObject, BadFunctionCallExceptio                                                                       n, BadMethodCallException, CachingIterator, CallbackFilterIterator, DirectoryIte                                                                       rator, DomainException, EmptyIterator, FilesystemIterator, FilterIterator, GlobI                                                                       terator, InfiniteIterator, InvalidArgumentException, IteratorIterator, LengthExc                                                                       eption, LimitIterator, LogicException, MultipleIterator, NoRewindIterator, OutOf                                                                       BoundsException, OutOfRangeException, OverflowException, ParentIterator, RangeEx                                                                       ception, RecursiveArrayIterator, RecursiveCachingIterator, RecursiveCallbackFilt                                                                       erIterator, RecursiveDirectoryIterator, RecursiveFilterIterator, RecursiveIterat                                                                       orIterator, RecursiveRegexIterator, RecursiveTreeIterator, RegexIterator, Runtim                                                                       eException, SplDoublyLinkedList, SplFileInfo, SplFileObject, SplFixedArray, SplH                                                                       eap, SplMinHeap, SplMaxHeap, SplObjectStorage, SplPriorityQueue, SplQueue, SplSt                                                                       ack, SplTempFileObject, UnderflowException, UnexpectedValueException
---
> Classes => AppendIterator, ArrayIterator, ArrayObject, BadFunctionCallExceptio                                                                       n, BadMethodCallException, CachingIterator, DirectoryIterator, DomainException,                                                                        EmptyIterator, FilesystemIterator, FilterIterator, GlobIterator, InfiniteIterato                                                                       r, InvalidArgumentException, IteratorIterator, LengthException, LimitIterator, L                                                                       ogicException, MultipleIterator, NoRewindIterator, OutOfBoundsException, OutOfRa                                                                       ngeException, OverflowException, ParentIterator, RangeException, RecursiveArrayI                                                                       terator, RecursiveCachingIterator, RecursiveDirectoryIterator, RecursiveFilterIt                                                                       erator, RecursiveIteratorIterator, RecursiveRegexIterator, RecursiveTreeIterator                                                                       , RegexIterator, RuntimeException, SplDoublyLinkedList, SplFileInfo, SplFileObje                                                                       ct, SplFixedArray, SplHeap, SplMinHeap, SplMaxHeap, SplObjectStorage, SplPriorit                                                                       yQueue, SplQueue, SplStack, SplTempFileObject, UnderflowException, UnexpectedVal                                                                       ueException
597,598c602,603
< SQLite3 module version => 0.7
< SQLite Library => 3.7.17
---
> SQLite3 module version => 0.7-dev
> SQLite Library => 3.6.20
606,608c611,617
< extension version => 0.12
< libssh2 version => 1.4.3
< banner => SSH-2.0-libssh2_1.4.3
---
> extension version => 0.11.0-dev
> libssh2 version => 1.2.2
> banner => SSH-2.0-libssh2_1.2.2
> remote forwarding => enabled
> hostbased auth => enabled
> polling support => enabled
> publickey subsystem => enabled
623c632,633
< from => no value => no value
---
> safe_mode_allowed_env_vars => PHP_ => PHP_
> safe_mode_protected_env_vars => LD_LIBRARY_PATH => LD_LIBRARY_PATH
627,631d636
< sysvmsg
<
< sysvmsg support => enabled
< Revision => $Id: e268047b695fe9a43cdf415c429729252347becd $
<
645c650
< libxml2 Version => 2.9.1
---
> libxml2 Version => 2.7.6
658,659c663,664
< libxslt Version => 1.1.28
< libxslt compiled against libxml Version => 2.9.1
---
> libxslt Version => 1.1.26
> libxslt compiled against libxml Version => 2.7.6
661c666
< libexslt Version => 1.1.28
---
> libexslt Version => 1.1.26
666,668c671,673
< Extension Version => $Id: 0c033d4e4613d577409950ed7bf8da4b68286d15 $
< Zip version => 1.11.0
< Compiled against libzip version => 0.10.1
---
> Extension Version => $Id: php_zip.c 300470 2010-06-15 18:48:33Z pajoye $
> Zip version => 1.9.1
> Libzip version => 0.9.0
673,676c678,681
< Stream Wrapper => compress.zlib://
< Stream Filter => zlib.inflate, zlib.deflate
< Compiled Version => 1.2.7
< Linked Version => 1.2.7
---
> Stream Wrapper support => compress.zlib://
> Stream Filter support => zlib.inflate, zlib.deflate
> Compiled Version => 1.2.3
> Linked Version => 1.2.3
686,687c691
< sysvsem
< sysvshm
---
> readline
692,693c696
< XDG_SESSION_ID => 24404
< HOSTNAME => monitor.micfo.com
---
> HOSTNAME => nagiosxi
697c700
< SSH_CLIENT => 199.223.117.0 27996 22
---
> SSH_CLIENT => 192.168.206.1 50306 22
700c703
< LS_COLORS => rs=0:di=01;34:ln=01;36:mh=00:pi=40;33:so=01;35:do=01;35:bd=40;33;                                                                       01:cd=40;33;01:or=40;31;01:su=37;41:sg=30;43:ca=30;41:tw=30;42:ow=34;42:st=37;44                                                                       :ex=01;32:*.tar=01;31:*.tgz=01;31:*.arc=01;31:*.arj=01;31:*.taz=01;31:*.lha=01;3                                                                       1:*.lz4=01;31:*.lzh=01;31:*.lzma=01;31:*.tlz=01;31:*.txz=01;31:*.tzo=01;31:*.t7z                                                                       =01;31:*.zip=01;31:*.z=01;31:*.Z=01;31:*.dz=01;31:*.gz=01;31:*.lrz=01;31:*.lz=01                                                                       ;31:*.lzo=01;31:*.xz=01;31:*.bz2=01;31:*.bz=01;31:*.tbz=01;31:*.tbz2=01;31:*.tz=                                                                       01;31:*.deb=01;31:*.rpm=01;31:*.jar=01;31:*.war=01;31:*.ear=01;31:*.sar=01;31:*.                                                                       rar=01;31:*.alz=01;31:*.ace=01;31:*.zoo=01;31:*.cpio=01;31:*.7z=01;31:*.rz=01;31                                                                       :*.cab=01;31:*.jpg=01;35:*.jpeg=01;35:*.gif=01;35:*.bmp=01;35:*.pbm=01;35:*.pgm=                                                                       01;35:*.ppm=01;35:*.tga=01;35:*.xbm=01;35:*.xpm=01;35:*.tif=01;35:*.tiff=01;35:*                                                                       .png=01;35:*.svg=01;35:*.svgz=01;35:*.mng=01;35:*.pcx=01;35:*.mov=01;35:*.mpg=01                                                                       ;35:*.mpeg=01;35:*.m2v=01;35:*.mkv=01;35:*.webm=01;35:*.ogm=01;35:*.mp4=01;35:*.                                                                       m4v=01;35:*.mp4v=01;35:*.vob=01;35:*.qt=01;35:*.nuv=01;35:*.wmv=01;35:*.asf=01;3                                                                       5:*.rm=01;35:*.rmvb=01;35:*.flc=01;35:*.avi=01;35:*.fli=01;35:*.flv=01;35:*.gl=0                                                                       1;35:*.dl=01;35:*.xcf=01;35:*.xwd=01;35:*.yuv=01;35:*.cgm=01;35:*.emf=01;35:*.ax                                                                       v=01;35:*.anx=01;35:*.ogv=01;35:*.ogx=01;35:*.aac=00;36:*.au=00;36:*.flac=00;36:                                                                       *.mid=00;36:*.midi=00;36:*.mka=00;36:*.mp3=00;36:*.mpc=00;36:*.ogg=00;36:*.ra=00                                                                       ;36:*.wav=00;36:*.axa=00;36:*.oga=00;36:*.spx=00;36:*.xspf=00;36:
---
> LS_COLORS => rs=0:di=01;34:ln=01;36:mh=00:pi=40;33:so=01;35:do=01;35:bd=40;33;                                                                       01:cd=40;33;01:or=40;31;01:mi=01;05;37;41:su=37;41:sg=30;43:ca=30;41:tw=30;42:ow                                                                       =34;42:st=37;44:ex=01;32:*.tar=01;31:*.tgz=01;31:*.arj=01;31:*.taz=01;31:*.lzh=0                                                                       1;31:*.lzma=01;31:*.tlz=01;31:*.txz=01;31:*.zip=01;31:*.z=01;31:*.Z=01;31:*.dz=0                                                                       1;31:*.gz=01;31:*.lz=01;31:*.xz=01;31:*.bz2=01;31:*.tbz=01;31:*.tbz2=01;31:*.bz=                                                                       01;31:*.tz=01;31:*.deb=01;31:*.rpm=01;31:*.jar=01;31:*.rar=01;31:*.ace=01;31:*.z                                                                       oo=01;31:*.cpio=01;31:*.7z=01;31:*.rz=01;31:*.jpg=01;35:*.jpeg=01;35:*.gif=01;35                                                                       :*.bmp=01;35:*.pbm=01;35:*.pgm=01;35:*.ppm=01;35:*.tga=01;35:*.xbm=01;35:*.xpm=0                                                                       1;35:*.tif=01;35:*.tiff=01;35:*.png=01;35:*.svg=01;35:*.svgz=01;35:*.mng=01;35:*                                                                       .pcx=01;35:*.mov=01;35:*.mpg=01;35:*.mpeg=01;35:*.m2v=01;35:*.mkv=01;35:*.ogm=01                                                                       ;35:*.mp4=01;35:*.m4v=01;35:*.mp4v=01;35:*.vob=01;35:*.qt=01;35:*.nuv=01;35:*.wm                                                                       v=01;35:*.asf=01;35:*.rm=01;35:*.rmvb=01;35:*.flc=01;35:*.avi=01;35:*.fli=01;35:                                                                       *.flv=01;35:*.gl=01;35:*.dl=01;35:*.xcf=01;35:*.xwd=01;35:*.yuv=01;35:*.cgm=01;3                                                                       5:*.emf=01;35:*.axv=01;35:*.anx=01;35:*.ogv=01;35:*.ogx=01;35:*.aac=01;36:*.au=0                                                                       1;36:*.flac=01;36:*.mid=01;36:*.midi=01;36:*.mka=01;36:*.mp3=01;36:*.mpc=01;36:*                                                                       .ogg=01;36:*.ra=01;36:*.wav=01;36:*.axa=01;36:*.oga=01;36:*.spx=01;36:*.xspf=01;                                                                       36:
702c705
< PATH => /usr/local/jdk/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/                                                                       usr/local/bin:/usr/X11R6/bin:/root/bin
---
> PATH => /usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin
704,705d706
< JAVA_HOME => /usr/local/jdk
< EDITOR => vi
710d710
< LS_OPTIONS => --color=tty -F -A -b -T 0
712,714c712
< VISUAL => vi
< CLASSPATH => .:/usr/local/jdk/lib/classes.zip
< SSH_CONNECTION => 199.223.117.0 27996 199.223.117.199 22
---
> SSH_CONNECTION => 192.168.206.1 50306 192.168.206.138 22
716,717c714,715
< XDG_RUNTIME_DIR => /run/user/0
< HISTTIMEFORMAT => [%h/%d/%Y - %H:%M:%S]
---
> G_BROKEN_FILENAMES => 1
> OLDPWD => /var/lib/php/session
723,724c721
< _SERVER["XDG_SESSION_ID"] => 24404
< _SERVER["HOSTNAME"] => monitor.micfo.com
---
> _SERVER["HOSTNAME"] => nagiosxi
728c725
< _SERVER["SSH_CLIENT"] => 199.223.117.0 27996 22
---
> _SERVER["SSH_CLIENT"] => 192.168.206.1 50306 22
731c728
< _SERVER["LS_COLORS"] => rs=0:di=01;34:ln=01;36:mh=00:pi=40;33:so=01;35:do=01;3                                                                       5:bd=40;33;01:cd=40;33;01:or=40;31;01:su=37;41:sg=30;43:ca=30;41:tw=30;42:ow=34;                                                                       42:st=37;44:ex=01;32:*.tar=01;31:*.tgz=01;31:*.arc=01;31:*.arj=01;31:*.taz=01;31                                                                       :*.lha=01;31:*.lz4=01;31:*.lzh=01;31:*.lzma=01;31:*.tlz=01;31:*.txz=01;31:*.tzo=                                                                       01;31:*.t7z=01;31:*.zip=01;31:*.z=01;31:*.Z=01;31:*.dz=01;31:*.gz=01;31:*.lrz=01                                                                       ;31:*.lz=01;31:*.lzo=01;31:*.xz=01;31:*.bz2=01;31:*.bz=01;31:*.tbz=01;31:*.tbz2=                                                                       01;31:*.tz=01;31:*.deb=01;31:*.rpm=01;31:*.jar=01;31:*.war=01;31:*.ear=01;31:*.s                                                                       ar=01;31:*.rar=01;31:*.alz=01;31:*.ace=01;31:*.zoo=01;31:*.cpio=01;31:*.7z=01;31                                                                       :*.rz=01;31:*.cab=01;31:*.jpg=01;35:*.jpeg=01;35:*.gif=01;35:*.bmp=01;35:*.pbm=0                                                                       1;35:*.pgm=01;35:*.ppm=01;35:*.tga=01;35:*.xbm=01;35:*.xpm=01;35:*.tif=01;35:*.t                                                                       iff=01;35:*.png=01;35:*.svg=01;35:*.svgz=01;35:*.mng=01;35:*.pcx=01;35:*.mov=01;                                                                       35:*.mpg=01;35:*.mpeg=01;35:*.m2v=01;35:*.mkv=01;35:*.webm=01;35:*.ogm=01;35:*.m                                                                       p4=01;35:*.m4v=01;35:*.mp4v=01;35:*.vob=01;35:*.qt=01;35:*.nuv=01;35:*.wmv=01;35                                                                       :*.asf=01;35:*.rm=01;35:*.rmvb=01;35:*.flc=01;35:*.avi=01;35:*.fli=01;35:*.flv=0                                                                       1;35:*.gl=01;35:*.dl=01;35:*.xcf=01;35:*.xwd=01;35:*.yuv=01;35:*.cgm=01;35:*.emf                                                                       =01;35:*.axv=01;35:*.anx=01;35:*.ogv=01;35:*.ogx=01;35:*.aac=00;36:*.au=00;36:*.                                                                       flac=00;36:*.mid=00;36:*.midi=00;36:*.mka=00;36:*.mp3=00;36:*.mpc=00;36:*.ogg=00                                                                       ;36:*.ra=00;36:*.wav=00;36:*.axa=00;36:*.oga=00;36:*.spx=00;36:*.xspf=00;36:
---
> _SERVER["LS_COLORS"] => rs=0:di=01;34:ln=01;36:mh=00:pi=40;33:so=01;35:do=01;3                                                                       5:bd=40;33;01:cd=40;33;01:or=40;31;01:mi=01;05;37;41:su=37;41:sg=30;43:ca=30;41:                                                                       tw=30;42:ow=34;42:st=37;44:ex=01;32:*.tar=01;31:*.tgz=01;31:*.arj=01;31:*.taz=01                                                                       ;31:*.lzh=01;31:*.lzma=01;31:*.tlz=01;31:*.txz=01;31:*.zip=01;31:*.z=01;31:*.Z=0                                                                       1;31:*.dz=01;31:*.gz=01;31:*.lz=01;31:*.xz=01;31:*.bz2=01;31:*.tbz=01;31:*.tbz2=                                                                       01;31:*.bz=01;31:*.tz=01;31:*.deb=01;31:*.rpm=01;31:*.jar=01;31:*.rar=01;31:*.ac                                                                       e=01;31:*.zoo=01;31:*.cpio=01;31:*.7z=01;31:*.rz=01;31:*.jpg=01;35:*.jpeg=01;35:                                                                       *.gif=01;35:*.bmp=01;35:*.pbm=01;35:*.pgm=01;35:*.ppm=01;35:*.tga=01;35:*.xbm=01                                                                       ;35:*.xpm=01;35:*.tif=01;35:*.tiff=01;35:*.png=01;35:*.svg=01;35:*.svgz=01;35:*.                                                                       mng=01;35:*.pcx=01;35:*.mov=01;35:*.mpg=01;35:*.mpeg=01;35:*.m2v=01;35:*.mkv=01;                                                                       35:*.ogm=01;35:*.mp4=01;35:*.m4v=01;35:*.mp4v=01;35:*.vob=01;35:*.qt=01;35:*.nuv                                                                       =01;35:*.wmv=01;35:*.asf=01;35:*.rm=01;35:*.rmvb=01;35:*.flc=01;35:*.avi=01;35:*                                                                       .fli=01;35:*.flv=01;35:*.gl=01;35:*.dl=01;35:*.xcf=01;35:*.xwd=01;35:*.yuv=01;35                                                                       :*.cgm=01;35:*.emf=01;35:*.axv=01;35:*.anx=01;35:*.ogv=01;35:*.ogx=01;35:*.aac=0                                                                       1;36:*.au=01;36:*.flac=01;36:*.mid=01;36:*.midi=01;36:*.mka=01;36:*.mp3=01;36:*.                                                                       mpc=01;36:*.ogg=01;36:*.ra=01;36:*.wav=01;36:*.axa=01;36:*.oga=01;36:*.spx=01;36                                                                       :*.xspf=01;36:
733c730
< _SERVER["PATH"] => /usr/local/jdk/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin                                                                       :/usr/bin:/usr/local/bin:/usr/X11R6/bin:/root/bin
---
> _SERVER["PATH"] => /usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bi                                                                       n:/root/bin
735,736d731
< _SERVER["JAVA_HOME"] => /usr/local/jdk
< _SERVER["EDITOR"] => vi
741d735
< _SERVER["LS_OPTIONS"] => --color=tty -F -A -b -T 0
743,745c737
< _SERVER["VISUAL"] => vi
< _SERVER["CLASSPATH"] => .:/usr/local/jdk/lib/classes.zip
< _SERVER["SSH_CONNECTION"] => 199.223.117.0 27996 199.223.117.199 22
---
> _SERVER["SSH_CONNECTION"] => 192.168.206.1 50306 192.168.206.138 22
747,748c739,740
< _SERVER["XDG_RUNTIME_DIR"] => /run/user/0
< _SERVER["HISTTIMEFORMAT"] => [%h/%d/%Y - %H:%M:%S]
---
> _SERVER["G_BROKEN_FILENAMES"] => 1
> _SERVER["OLDPWD"] => /var/lib/php/session
755,756c747
< _SERVER["REQUEST_TIME_FLOAT"] => 1521613457.6805
< _SERVER["REQUEST_TIME"] => 1521613457
---
> _SERVER["REQUEST_TIME"] => 1521636675
759c750
< [0] => -
---
>     [0] => -
767c758
< and included in the distribution in the file: LICENSE
---
> and included in the distribution in the file:  LICENSE

You might try setting that value to an appropriate path in your php.ini and restarting the Apache service.

PHP 5.4 has no native means by which it could access a given machine's MAC address even if it wanted to. You'd need to make system calls for that which in this case would then rely on external Linux tools for the info (that wouldn't be very platform agnostic).

Nagios XI just piggy-backs off the native PHP session handling. Nagios XI creates a session, stores that session's ID in a browser cookie, and writes a PHP "session file" out to disk with relevant info to be retrieved via the $_SESSION global.

When I then login as the 'nagiosadmin' user, a cookie is written to my browser with name 'nagiosxi' and value '1c9i92u29hqh8tmtmu581lhch4'. So what the heck is that big string of jargon? It's an ID for a PHP session which, for Nagios XI, is written to disk by default:

Code: Select all

[root@nagiosxi ~]# ls -al /var/lib/php/session | grep 1c9i92u29hqh8tmtmu581lhch4
-rw------- 1 apache apache    187 Mar 21 08:44 sess_1c9i92u29hqh8tmtmu581lhch4

Which is filled with all sorts of mundane metadata about the currently logged-in user associated with that session:

Code: Select all

[root@nagiosxi ~]# cat /var/lib/php/session/sess_1c9i92u29hqh8tmtmu581lhch4
language|s:5:"en_US";user_id|s:1:"1";username|s:11:"nagiosadmin";userlevel|s:3:"255";auth_type|s:5:"local";lastlogintime|s:10:"1521598172";timesloggedin|s:1:"2";has_seen_login_alerts|b:1;

My first assumption would be that Nagios XI isn't correctly managing those session files which could be a symptom of the current state of this environment's session.save_path since that value defaults to the system's temp path. My second assumption would be something strange is happening with the cookies in the browsers or in their transit from the browser to Nagios XI.

Elik · Post by **Elik** » Wed Mar 21, 2018 8:22 am

Hello,

I thought the same, but something is obliviously changed since under CentOS6, I did not have this problem at all when it is setup. Reason I upgraded to CentOS7 is due to moving to new hardware and I did fresh install and restored the plugins and the configurations for the hosts and services and went on from there. Just when multiple computers behind the same router access the server, it hangs for everyone except the first one when using nagios.

Under CentOS6, this behavior is not observed for it. And just accessing it all from single computer with different browsers and multiple tabs, it will just work just fine. Just trying to do it with multiple computers that the issue manifest itself for it, since each computer have it own mac address and they are all going though the same router to access the same site that this shows up.

It is pretty frustrating trying to troubleshoot this and I rather not go back to CentOS6 since CentOS7 is now a mature platform and CentOS6 is getting old and with the plugins requirements, I rather keep it clean for easy maintainability. Something points to either Apache or Nagios that is the main problem for this behavior to show up.

We have mixture of 10 windows, linux and Mac platforms here at the office, and I would like to have all of us access it without having to resort to this problem for it.

tmcdonald · Post by **tmcdonald** » Thu Mar 22, 2018 4:22 pm

Can we get some more information about your environment?

Is your XI machine hosted on-site or in the cloud? It sounds like the latter but I want to confirm.
Was the CentOS 7 install a clean, minimal install? Or did it have a desktop, or was previously used for another purpose?
Do you have any proxies in place, or firewalls, anything like that in-between XI and your workstations?
Are there any entries in the /var/log/httpd/error_log file when this happens?

Elik · Post by **Elik** » Fri Apr 13, 2018 5:16 pm

Howdy,

Got it all sorted out. It is due to the php.ini file that is the culprit for it. I setup the new Nagios XI server and use it as template to check on the original to find the main issue and zeroed in on the php.ini which is the problem. After updating it, it works properly now.

Nagios Support Forum

Nagios Access tied to single computer from same IP Issue

Nagios Access tied to single computer from same IP Issue

Re: Nagios Access tied to single computer from same IP Issue

Re: Nagios Access tied to single computer from same IP Issue

Re: Nagios Access tied to single computer from same IP Issue

Re: Nagios Access tied to single computer from same IP Issue

Re: Nagios Access tied to single computer from same IP Issue

Re: Nagios Access tied to single computer from same IP Issue

Re: Nagios Access tied to single computer from same IP Issue

Re: Nagios Access tied to single computer from same IP Issue

Re: Nagios Access tied to single computer from same IP Issue