setting up pf on fbsd 7.2 for host security on a mail gateway.
the only rule for port 25 is:
pass in quick on em0 inet proto tcp from any to $ext_if port = smtp flags S/SA
keep state
and then last rule:
block drop in log on em0 inet from any to $ext_if
while 1000s of connections to port 25
On 7/2/10 5:25 PM, Len Conrad wrote:
setting up pf on fbsd 7.2 for host security on a mail gateway.
the only rule for port 25 is:
pass in quick on em0 inet proto tcp from any to $ext_if port = smtp flags S/SA
keep state
and then last rule:
block drop in log on em0 inet from any to $ext_if
