Kees, Would
Connect:IPv4 REJECT Also work? That would make a lot cleaner of a setup. Its a live production server, so I have to find a time to test the syntax. Thanks John On Feb 17, 2015, at 4:33 PM, Kees Theunissen <c.j.theunis...@differ.nl> wrote: > On Tue, 17 Feb 2015, John Von Essen wrote: > >> Initially I thought I could do this with the access table, i.e. >> >> Connect:1 REJECT >> Connect:2 REJECT >> ? >> ? >> Connect:254 REJECT >> Connect:127.0.0.1 OK >> Connect: X.X.X.X OK >> >> Where X.X.X.X is the IP of my filtering gateway. I ?think? the above >> works, I did it once before a long time ago. But the problem is my mail >> server is also IPv6, so doing the above for IPv6 is not practical. >> >> Any thoughts, the filtering gateways only have 1 NIC. Worst case, I can >> put a firewall on the mail server, but I didn?t want to have to do that. >> Is there a way to make sendmail deny everything by default? > > > Not tested but the line below should work as catch-all rule for IPv6. > > > Connect:IPv6 REJECT > > > > Regards, > > Kees Theunissen. > > -- > Kees Theunissen, System and network manager, Tel: +31 (0)30 6096724 > Dutch Institute For Fundamental Energy Research (DIFFER) > e-mail address: c.j.theunis...@differ.nl > postal address: PO Box 1207, 3430 BE Nieuwegein, NL > visitors address: Edisonbaan 14, 3439 MN Nieuwegein, NL > > _______________________________________________ > NOTE: If there is a disclaimer or other legal boilerplate in the above > message, it is NULL AND VOID. You may ignore it. > > Visit http://www.mimedefang.org and http://www.roaringpenguin.com > MIMEDefang mailing list MIMEDefang@lists.roaringpenguin.com > http://lists.roaringpenguin.com/mailman/listinfo/mimedefang _______________________________________________ NOTE: If there is a disclaimer or other legal boilerplate in the above message, it is NULL AND VOID. You may ignore it. Visit http://www.mimedefang.org and http://www.roaringpenguin.com MIMEDefang mailing list MIMEDefang@lists.roaringpenguin.com http://lists.roaringpenguin.com/mailman/listinfo/mimedefang
