[Openswan Users] OpenSwan and Cisco ASA?
patrickn at xelerance.com
Tue Oct 13 10:01:13 EDT 2015
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From: David Jones <david at proficienthealth.com>
Date: October 12, 2015 at 1:53:53 PM EDT
To: users at lists.openswan.org
Subject: OpenSwan and Cisco ASA?
I am running OpenSwan and have many clients connecting to us that use Cisco ASA's to establish IPSec tunnels. We use the same IP address for our gateway as we do an internal machine that the customers need to access. We just forward the port but require an IPSec. This confuses our Cisco ASA friends for some reason and we occasionally have a client that can't figure out how to get the tunnel to route properly. I don't know cisco well and can really help them.
Here us a sample of the config..
-A PREROUTING -d 184.108.40.206/32 <http://220.127.116.11/32> -p tcp -m tcp --dport 34006 -j DNAT --to-destination 10.10.10.112:6665 <http://10.10.10.112:6665/>
-A FORWARD -d 10.10.10.112/32 <http://10.10.10.112/32> -p tcp -m policy --dir in --pol ipsec -m state --state NEW -m tcp --dport 6665 -j ACCEPT
The tunnel is up but packets are not making it through.
000 "conn10": 18.104.22.168/32===22.214.171.124 <http://126.96.36.199/32===188.8.131.52><184.108.40.206>---220.127.116.11...18.104.22.168<22.214.171.124>===172.30.2.14/32 <http://172.30.2.14/32>; erouted; eroute owner: #305
000 "conn10": myip=126.96.36.199; hisip=unset;
000 "conn10": ike_life: 3600s; ipsec_life: 28800s; rekey_margin: 540s; rekey_fuzz: 100%; keyingtries: 0
000 "conn10": policy: PSK+ENCRYPT+TUNNEL+IKEv2ALLOW+SAREFTRACK+lKOD+rKOD; prio: 32,32; interface: eth1;
000 "conn10": newest ISAKMP SA: #696; newest IPsec SA: #305;
000 "conn10": IKE algorithm newest: 3DES_CBC_192-SHA1-MODP1024
000 #696: "conn10":500 STATE_MAIN_R3 (sent MR3, ISAKMP SA established); EVENT_SA_REPLACE in 3191s; newest ISAKMP; lastdpd=-1s(seq in:0 out:0); idle; import:not set
000 #305: "conn10":500 STATE_QUICK_R2 (IPsec SA established); EVENT_SA_REPLACE in 9850s; newest IPSEC; eroute owner; isakmp#300; idle; import:not set
000 #305: "conn10" esp.a13d0d4 at 188.8.131.52 <mailto:esp.a13d0d4 at 184.108.40.206>
esp.4ac15492 at 220.127.116.11 <mailto:esp.4ac15492 at 18.104.22.168> tun.0 at 22.214.171.124 <mailto:tun.0 at 126.96.36.199> tun.0 at 188.8.131.52 <mailto:tun.0 at 184.108.40.206> ref=0 refhim=4294901761
Can anyone offer me any suggestions for the Cisco people, maybe a special checkbox or some term I can offer them to spark an idea?
I have been working with the same client for months and just keep going back and fourth with never a positive result.
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