On Tue, 2010-05-25 at 05:17 -0400, Bob Goodwin wrote: > I have two f12 computers, box9 will ping box6 but box6 to box9 > reports 100% loss. When we had Firestarter there was a log that > usually indicated where the firewall was blocking data. > > It seems to me there should be a way to determine this without > Firestarter? How do I do that? > > [b...@box6 ~]$ service sshd status > openssh-daemon (pid 1522) is running... > > Pinging the numerical addresses does not help. > > Thanks. > > Bob > > -- > > >
If this applies for ssh only, you could do something like this, on box9: IPTABLES -I INPUT -i eth0 -s ip.of.box.6 -p tcp -m tcp --dport 22 -j ACCEPT If you need more services to be available for box9, you simply let out -m tcp and --dport 22, to get this: IPTABLES -I INPUT -i eth0 -s ip.of.box.6 -j ACCEPT To see all the packages from box6, you can insert the rule below: IPTABLES -I INPUT -i eth0 -s ip.of.box.6 -m state --state NEW -j LOG --log-prefix "IPTABLES - NEW PACKETS FROM BOX6: " --log-level 6 and watch the result in /var/log/messages (with tail -f /var/log/messages) Calin Key fingerprint = 37B8 0DA5 9B2A 8554 FB2B 4145 5DC1 15DD A3EF E857 ================================================= Simon: "Some of these words -- they're misspelled. She started correcting my spelling when she was three." --Episode #5, "Safe"
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