Important note about SSL VPN compatibility for 20.0 MR1 with EoL SFOS versions and UTM9 OS. Learn more in the release notes.

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IPS Engine Dead

AzRoN

Hi all.

I've been running SFOS on an SG125w here, and i've noticed my IPS engine is dead, I cannot restart it and reboots don't change anything.

If I try and conduct a Pattern Update, the log shows the IPS update downloading, pass its checksum but fail to install.

Here's a snippet of the U2D.log

<code>

SG125w_XN02_SFOS 15.01.0# tail -f u2d.log
DEBUG     Nov 13 14:58:39 [2458]: Response length : 401
DEBUG     Nov 13 14:58:39 [2458]: Received name : ips_10.0_3.12.48.tar.gz.gpg
DEBUG     Nov 13 14:58:39 [2458]: Received location : d30ncyzaneb4q0.cloudfront.net/ips_10.0_3.12.48.tar.gz.gpg
DEBUG     Nov 13 14:58:39 [2458]: Received version : 3.12.48
DEBUG     Nov 13 14:58:39 [2458]: Received size : 946452
DEBUG     Nov 13 14:58:39 [2458]: Received md5sum : 3a028f4f6cdb3e43c8f56732ed3dfed6
DEBUG     Nov 13 14:58:39 [2458]: Received module : ips
DEBUG     Nov 13 14:58:39 [2458]: Received cv : 10.0
DEBUG     Nov 13 14:58:39 [2458]: Received type : full
Fri Nov 13 14:59:30 2015 Starting download for file ips_10.0_3.12.48.tar.gz.gpg
Fri Nov 13 15:00:30 2015 Download completed for file ips_10.0_3.12.48.tar.gz.gpg
gpg: Signature made Fri Nov  6 00:12:45 2015 EST using RSA key ID 6A20EB0B
gpg: NOTE: trustdb not writable
gpg: Good signature from "Sophos Up2Date Server <updates@sophos.com>"
Fri Nov 13 15:00:30 2015 Download for file ips_10.0_3.12.48.tar.gz.gpg passed integrity and gpg checks
Fri Nov 13 15:00:30 2015 Current ips patterns are at /content/ips_10.0/3.12.38
Fri Nov 13 15:00:30 2015 New updated  patterns are now at /content/ips_10.0/3.12.48
Fri Nov 13 15:00:44 2015 Callback u2d_pt_installed failed for ips, version = 3.12.48.
Fri Nov 13 15:00:44 2015 Setting status 'fail' in DB and reverting link for ips to old version = 3.12.38.
Fri Nov 13 15:00:44 2015 ips patterns are again at /content/ips_10.0/3.12.38

</code>

Here's a snippet of the IPS.log that is pointing to an 'Invalid CPU Number'.

<code>

INFO[4163]:Nov 11 15:38:03:spo_alert_garnersock.c:250:GarnerStart:Start called
INFO[4163]:Nov 11 15:38:03:spo_alert_garnersock.c:291:GarnerStart:fd 3 host 127.0.0.1 sport 2929 dport                                                                                             198
INFO[4163]:Nov 11 15:38:03:snort.c:1574:main:SnortInit() done
INFO[4163]:Nov 11 15:38:03:snort.c:1605:main:Snort master started
INFO[4163]:Nov 11 15:38:03:snort.c:434:get_cpu_cnt:got cores = 2 from '/proc/interrupts'
INFO[4163]:Nov 11 15:38:03:snort.c:511:put_cpulist:cpunum=2 snort_cpulist = 2
fd 5 size 528384
size 1022 maxapp 4096 counter 2 bytesize 512
IPS: invalid cpu number 2
ERROR[4161]:Nov 11 15:38:03:snort.c:1045:notify_newmaster:read_full failed: ret: 0 Success
INFO[4161]:snort.c:2873:child_handler:child 4163 dead
INFO[4161]:Nov 11 15:38:03:snort.c:1009:kill_snortmaster:exited(4163): exited, status=255
ERROR[4161]:Nov 11 15:38:03:snort.c:1566:main:Snort exited with '-1'
INFO[4161]:Nov 11 15:38:03:snort.c:2936:CleanExit:killing snort master
svc_set_status: svc_init not done 

</code>

Anyone else seen this?



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Parents
  • 0
    have fixed this..

    I needed to clear the IPS instances within the console of the XG. Using the command ‘set ips ips-instance clear’ I was able to purge the config that had 1 ip instance with 2 CPU.

    After the clear i then set a new IPS Instance using the command ‘set ips ips-instance add IPS CPU 1'

    Once I did this I was able to start the IPS Engine and then perform and Pattern Update which downloaded the correct sigs.

    I’ll be interested to see of others ‘set ips ips-instance add IPS CPU 1’ - using TAB to autocomplete the line after the CPU and before entering an number, I’d be keen to see what CPU configuration it allows… my SG125w says the options are 0 (zero) and 1.

    ==

    When in doubt, Script it out.

Reply
  • 0
    have fixed this..

    I needed to clear the IPS instances within the console of the XG. Using the command ‘set ips ips-instance clear’ I was able to purge the config that had 1 ip instance with 2 CPU.

    After the clear i then set a new IPS Instance using the command ‘set ips ips-instance add IPS CPU 1'

    Once I did this I was able to start the IPS Engine and then perform and Pattern Update which downloaded the correct sigs.

    I’ll be interested to see of others ‘set ips ips-instance add IPS CPU 1’ - using TAB to autocomplete the line after the CPU and before entering an number, I’d be keen to see what CPU configuration it allows… my SG125w says the options are 0 (zero) and 1.

    ==

    When in doubt, Script it out.

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