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Is it safe to allow RST packets through the firewall?
I'm asking this because I noticed, using Logwatch, that the firewall was blocking DTP=80 packets. Which was weird at first, since I allow DPT=80 packets out. So I checked the /var/log/messages file. And the packet was like this:
Well, as far as i know there shouldn't be any security issue in letting RST in and out.
The only way RST can be somehow harmful is using it as part of a stealth scan.
Two typical combos follow:
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