FreeBSD7 + pf + ipsec

Roman Otsaljuk romzes at upstar.com.ua
Wed Apr 16 10:06:37 UTC 2008


Norman Maurer пишет:
> Am Mittwoch, den 16.04.2008, 12:02 +0300 schrieb Roman Otsaljuk:
>   
>> hi all.
>> i have two localnets linked over ipsec:
>>
>> http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/ipsec.html
>>
>> network schema:
>>
>> 192.168.0.0/24 <---> [192.168.0.12=freebsd=2.2.2.2]  <--inet-->
>> [1.1.1.1=freebsd1=10.31.0.5] <---->10.31.0.5/26
>>
>> on both points was 6.2, firewall - pf.
>> after updating to 7.0 vpn doesn't work:
>>  0) pings go normal
>>  0) tcp packets go too, but third packet with R flag:
>> 	from 192.168.0.12 try: ssh 10.31.0.42, on second console:
>> mail# tcpdump -ni gif0
>> tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
>> listening on gif0, link-type NULL (BSD loopback), capture size 68 bytes
>> 10:49:43.912469 IP 192.168.0.12.63996 > 10.31.0.42.22: S 1756351354:1756351354(0) win 65535 <mss 1240,nop,wscale 3,sackOK,timestamp 51087105 0>
>> 10:49:43.936245 IP 217.20.174.35 > 195.43.43.238: IP 10.31.0.42.22 > 192.168.0.12.63996: S 4244314344:4244314344(0) ack 1756351355 win 65535 <mss 1460,[|tcp]> (ipip-proto-4)
>> 10:49:43.936360 IP 192.168.0.12.63996 > 10.31.0.42.22: R 1318200353:1318200353(0) win 0
>>
>>  0) adding the first rule (pass quick all) on both - without changes;
>>  0) downing pf: in localnet, in wich pf downed - all good.
>>
>>
>> any ideas?
>>
>>
>> p.s. the same if IPsec replaced by vpnd--------
>> sorry my bad English
>>     
>
> Freebsd 7.0 use the "new" ipsec implementation (IPSEC_FAST) so you need
> to allow ipencap protocol too..
>
> Cheers
> Norman
>
>
>
>   

is not rule "pass quick all" allows ipencap?



More information about the freebsd-questions mailing list