SV: pf firewall and ftp
fbsd at thorshammare.org
Mon Apr 16 07:39:59 UTC 2012
To solve the ftp pre 4.7 part, you can start reading here
Fra: owner-freebsd-questions at freebsd.org
[mailto:owner-freebsd-questions at freebsd.org] På vegne af Fbsd8
Sendt: den 16 april 2012 04:31
Til: FreeBSD Questions; FreeBSD Current; FreeBSD doc
Emne: Re: pf firewall and ftp
> Running 9.0 as a gateway host with pf firewall enabled.
> FTP is launched by inetd.
> Both active and passive ftp works from lan pc's to the host ftp.
> The lan ftp session can be initiated from the host or any lan pc and
> things work because there are no rules on the lan interface except
> single pass all rule.
> But I can not do host initiated or lan initiated ftp sessions to the
> public internet. Get "operation not permitted" message. Tried to setup
> ftp-proxy per openbsd pf manual without any joy.
> Looking for working rule set with nat and ftp services to study and
> learn from.
OK I have uncovered what the problem is.
The pf version running on Freebsd 9.0 matches the version running on openbsd
4.5. Found it on man pf at the end.
The documentation on the Openbsd website for pf is for Openbsd 5.0 and it
has warning saying "NOTE: This information is for OpenBSD 4.7. NAT
configuration was significantly different in earlier versions."
http://pf4freebsd.love2party.net/ has more info about how back dated the
9.0 Freebsd production version of pf is.
The Freebsd handbook had a detailed section on pf including rules examples
matching the version of pf included with 9.0 But someone allowed it to be
removed in the current version of the handbook.
So here we are with an outdated version of pf in the current production
9.0 version of Freebsd and there is no documentation available on nat rule
syntax in the handbook or at openbsd/pf.
Going to dig through the 9.0 pf man pages for the info
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