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localboot
2010 Nov 22
2
Sendmail, localloop, and iptables -- should I be more paranoid?
By default, sendmail only listens on the localloop:
DAEMON_OPTIONS(`Port=smtp,Addr=127.0.0.1, Name=MTA')dnl
But by default to allow sendmail to even work the iptables entry is:
-A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport 25 -j
ACCEPT
Without this, sendmail can't even connect to localloop. But should I
handedit t...