Snort mailing list archives

Re: (no subject)


From: Dan O'Brien via Snort-users <snort-users () lists snort org>
Date: Mon, 5 Feb 2018 20:41:21 -0500

And I have multiple snort.u2.xxxxxxxx files in /var/log/snort.  My computer slowed to a crawl from processing the 
any-to-any rules.  Once I commented it out it is back to running normally.  Base just must not be making the connection?

Thanks,
Dan
(770) 624-1010
pdobrien3 () gmail com

"Better is a poor man who walks in his integrity than a rich man who is crooked in his ways." - Proverbs 28:6

Sent from my iPad

On Feb 5, 2018, at 11:57 AM, wkitty42 () windstream net wrote:

On 02/05/2018 11:38 AM, Paul O'Brien wrote:
I typically get 50-100 alerts a day until 2 days ago. 2 days ago I changed
the vlan configuration on my router. It was configured improperly. I have
checked to make sure everything is loaded and running. Guess I need to look
into how to make an any to any alert. I remotely remember testing something
similar during setup.

any-to-any rules are easy... i use the following local-test.rules for initial testing to make sure snort is seeing 
traffic...


----->8 snip 8<-----
#
# The rules in this file are only to test a snort installation to see if it is seeing any traffic at all.
# These rules should not be used all the time. Once tested and working, this rule file should be commented
# out in your snort.conf so that it is not used.
#
#------------------
# LOCAL TEST RULES
#------------------
alert tcp $EXTERNAL_NET any -> $HOME_NET any (msg:"tcp traffic inbound"; classtype:tcp-connection; sid:1; rev:1;)
alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"tcp traffic outbound"; classtype:tcp-connection; sid:2; rev:1;)
alert ip $EXTERNAL_NET any -> $HOME_NET any (msg:"ip traffic inbound"; classtype:unknown; sid:3; rev:1;)
alert ip $HOME_NET any -> $EXTERNAL_NET any (msg:"ip traffic outbound"; classtype:unknown; sid:4; rev:1;)
alert udp $EXTERNAL_NET any -> $HOME_NET any (msg:"udp traffic inbound"; classtype:misc-activity; sid:5; rev:1;)
alert udp $HOME_NET any -> $EXTERNAL_NET any (msg:"udp traffic outbound"; classtype:misc-activity; sid:6; rev:1;)
alert icmp $EXTERNAL_NET any -> $HOME_NET any (msg:"icmp traffic inbound"; classtype:icmp-event; sid:7; rev:1;)
alert icmp $HOME_NET any -> $EXTERNAL_NET any (msg:"icmp traffic outbound"; classtype:icmp-event; sid:8; rev:1;)
----->8 snip 8<-----



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