> > > Also, the openbsd stack has some essential features missing in freebsd, > > > like mpls and md5 auth for bgp sessions. > > > > I use MD5 auth for BGP sessions every day (and have been doing so for > > several releases). One could definitely wish for better integration - > > having to specify MD5 key both in /etc/ipsec.conf and in the Quagga > > bgpd config is not nice. But it works. > > > As far as I know you can only send out correctly authed stuff but not > validate incoming. Has that changed? Have a look at tcp_signature_verify(), called from tcp_input.c. Added in r221023, see http://svnweb.freebsd.org/base/head/sys/netinet/tcp_input.c?view=log Steinar Haug, Nethelp consulting, sthaug_at_nethelp.no ---------------------------------------------------------------------- Revision 221023 - (view) (download) (annotate) - [select for diffs] Modified Mon Apr 25 17:13:40 2011 UTC (3 years, 2 months ago) by attilio File length: 106717 byte(s) Diff to previous 220560 Add the possibility to verify MD5 hash of incoming TCP packets. As long as this is a costy function, even when compiled in (along with the option TCP_SIGNATURE), it can be disabled via the net.inet.tcp.signature_verify_input sysctl. Sponsored by: Sandvine Incorporated Reviewed by: emaste, bz MFC after: 2 weeksReceived on Mon Jul 21 2014 - 04:57:34 UTC
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