Re: Snort.lua Question

The bottom error looks like a permission problem.  Like you’re not running as root or something.  

— 
Sent from my iPhone

> On Jun 22, 2023, at 12:32, Jim Campbell via Snort-users <[email protected]> wrote:
> 
> Not getting an answer to my previous question I've tried a different approach. I installed newer dependencies and then Snort3 3.1.64.0. This is what /usr/local/bin/snort -V gives me:
> 
>    ,,_     -*> Snort++ <*-
>   o"  )~   Version 3.1.64.0
>    ''''    By Martin Roesch & The Snort Team
>            http://snort.org/contact#team
>            Copyright (C) 2014-2023 Cisco and/or its affiliates. All rights reserved.
>            Copyright (C) 1998-2013 Sourcefire, Inc., et al.
>            Using DAQ version 3.0.12
>            Using LuaJIT version 2.1.0-beta3
>            Using OpenSSL 1.1.1f  31 Mar 2020
>            Using libpcap version 1.9.1 (with TPACKET_V3)
>            Using PCRE version 8.45 2021-06-15
>            Using ZLIB version 1.2.11
>            Using Hyperscan version 5.4.2 2023-06-21
>            Using LZMA version 5.2.4
> 
> With this setup Snort almost runs. I toggle between two errors. If I invoke Snort3 with the following:
> 
> ips =
> {
>     -- use this to enable decoder and inspector alerts
>     enable_builtin_rules = true,
>     include = RULE_PATH .. "/pulledpork.rules",
>     -- use include for rules files; be sure to set your path
>     -- note that rules files can include other rules files
>     -- (see also related path vars at the top of snort_defaults.lua)
>     variables = default_variables
> }
> 
> jim@jim-ThinkCentre-M82:~$ snort -c /usr/local/etc/snort/snort.lua -s 65535 -k none -l /var/log/snort/ -Q -D -u snort -g snort --daq afpacket -i "enp1s0:enp3s0" -m 0x1b --plugin-path /usr/local/etc/so_rules/
> 
> I get 267 errors:
> ...
> Finished file_id.rules_file:
> Loading ../rules/pulledpork.rules:
> ERROR: ../rules/pulledpork.rules:19 SO rule 34369 not loaded.
> ERROR: ../rules/pulledpork.rules:20 SO rule 35347 not loaded.
> ERROR: ../rules/pulledpork.rules:21 SO rule 35926 not loaded.
> ...
> 
> The "--plugin-path /usr/local/etc/so_rules/" isn't getting the so_rules to load.
> 
> ===============================================
> 
> If I invoke snort3 with the following:
> 
> ips =
> {
>     -- use this to enable decoder and inspector alerts
>     enable_builtin_rules = true,
>     include = RULE_PATH .. "/pulledpork.rules",
>     include = PLUGIN_RULE_PATH,
>     -- use include for rules files; be sure to set your path
>     -- note that rules files can include other rules files
>     -- (see also related path vars at the top of snort_defaults.lua)
>     variables = default_variables
> }
> 
> jim@jim-ThinkCentre-M82:~$ snort -c /usr/local/etc/snort/snort.lua -s 65535 -k none -l /var/log/snort/ -Q -D -u snort -g snort --daq afpacket -i "enp1s0:enp3s0" -m 0x1b
> 
> The so_rules load but I get the following error:
> 
> --------------------------------------------------
> afpacket DAQ configured to inline.
> initializing daemon mode
> child process is 137323
> Commencing packet processing
> Couldn't construct a DAQ instance: create_instance: Could not open the PF_PACKET socket: Operation not permitted (-1)
> --------------------------------------------------
> 
> Any help would be much appreciated.
> 
> Jim Campbell
> 
> 
> 
> 
> 
> 
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