Here is a PIX configuration that you may use as base....I have more than 100 Cisco Pix working with Checkpoint FW I hope this help all the people having problems with Checkpoint and Cisco PIX VPN PS...Checkpoint side latest HFA applied, PIX latest code used... BASIC PIX Configuration ------------------------------------ assign names to networks and hosts ------------------------------------ name 192.168.0.0 your-192-168-x-x name 111.111.111.111 yourFWCLUSTER name 10.0.0.0 your-10-x-x-x ---------------------------------------------------- define the VPN networks reachable behind the Checkpoint FW by creating a group ----------------------------------------------------- object-group network your-vpn-dom description your-vpn-domain network-object your-10-x-x-x 255.0.0.0 network-object your-192-168-x-x 255.255.0.0 -------------------------------------------------- access list to disable SPLIT-Tunneling -------------------------------------------------- access-list 101 permit ip host yourFWCLUSTER any access-list 101 permit ip (yourpixinternalnet) 255.255.255.0 any access-list 101 permit ip host pixexternal object-group your-vpn-dom access-list nonat permit ip host yourFWCLUSTER any access-list nonat permit ip (yourpixinternalnet) 255.255.255.0 any access-list nonat permit ip host (yourpixexternaladdress) object-group your-vpn-dom --------------------------------------- gobal nat command --------------------------------------- global (outside) 1 interface nat (inside) 0 access-list nonat nat (inside) 1 0.0.0.0 0.0.0.0 0 0 --------------------------------------------- define the crypto map, transform-sets and assign the access list ---------------------------------------------- sysopt connection permit-ipsec crypto ipsec transform-set rtptac esp-3des esp-md5-hmac crypto map rtprules 10 ipsec-isakmp crypto map rtprules 10 match address 101 crypto map rtprules 10 set peer yourFWCLUSTER crypto map rtprules 10 set transform-set rtptac crypto map rtprules interface outside ------------------------------------------------------- define the ISAKMP parameters to macth the Checkpoint FW --------------------------------------------------------- isakmp enable outside isakmp key (your-shared-key-here) address yourFWCLUSTER netmask 255.255.255.255 isakmp policy 1 authentication pre-share isakmp policy 1 encryption 3des isakmp policy 1 hash md5 isakmp policy 1 group 2 isakmp policy 1 lifetime 86400
Vasudevan Chetty Padmanabhan <[EMAIL PROTECTED]> wrote: Hi Ramakrishan, Were you able to setup the site-to-to tunnel working. Iam also in the same boat. I did the following, 1.Verified the encryption domain and the settings at both the end.(Cisco Pix 515E & CP R55). 2.Unchecked the "Support key Exchange for Subnets" 3. # dbedit (This should be done on the Mgmt Server) Enter Server name (Enter for Local Host) User Name / Password dbedit> modify properties firewall_properties ike_use_largest_possible_subnets false dbedit> update properties firewall_properties firewall_properties updated successfully. dbedit> quit 4. Install the Policy Still no progress. Please let me know if something helped you.... Regards, Vasu On 12/16/05, Ramakrishnan Pillai wrote: > > Hi Oliver, > > Yes. I did uncheck it and try. It didn't help...Ramakrishnan > > >>> [EMAIL PROTECTED] 12/16/2005 10:46:51 AM >>> > > Hi Ramakrishnan, > My suggestion was "uncheck" the box for "Support key > Exchange for Subnets", NOT "check". (only in the > interoperable device) > Next, install the policy. > did you try that? > > Regards, > Oliver. > > > --- Ramakrishnan Pillai > escribió: > > > Thanks. Will check supernetting option. As per > > another suggestion, I tried matching the encryption > > domains on both end. The PIX end is simple with two > > networks. But Checkpoint end encryption domain is > > common for all site-to-site and remote access > > clients and is a huge list of all IPs/networks > > inside the network which need to be accessed over > > VPN from outside. Hence it is difficult to match > > the encryption domain on both sides of the vpn > > tunnel. Any ideas on this? > > > > Thanks, > > Ramakrishnan > > > > >>> [EMAIL PROTECTED] 12/15/05 9:23 PM >>> > > disable SUPERNETTING on the Checkpoint side....Check > > Knowledge base for > > "how to" instructions. > > It may solve your problem. > > Regards > > > > Ramakrishnan Pillai > > wrote: > > Thanks. Compared all the properties of PIX and > > R55. The "Support key Exchange for Subnets" is > > already checked. Still no luck. Same message...RK > > > > >>> [EMAIL PROTECTED] 12/14/05 5:37 PM >>> > > In SmartDashboard, go to the interoperable device > > object Properties (representing PIX), look for VPN - > > VPN Advanced and uncheck the box: "Support key > > Exchange for Subnets" > > I hope that helps. > > > > Regards, > > > > Oliver. > > > > > > --- Ramakrishnan Pillai > > escribió: > > > > > Thanks for the detailed reply. Let me cross check > > > everything...RK > > > > > > >>> [EMAIL PROTECTED] 12/14/2005 > > > 10:45:06 AM >>> > > > Parameters are not identical. I've run into this > > > many times. For example, if policy on PIX ends up > > > offering you DES/3DES/MD5/SHA1 (Phase-1), but the > > > Interoperable Device representing the PIX has been > > > set up for 3DES/SHA1, it will fail. You got to > > match > > > exactly, not just have a match. Painful, but there > > > you have it. Also check DH-groups, timeouts, > > > PFS-or-not for Phase-2, and ideally don't choose > > > Aggressive. > > > No proposal chosen is likely Phase-1 settings. If > > it > > > was encrypt domain, you'd see "no valid SA". Could > > > also be encrypt settings Phase-2, but that's less > > > common - transform sets are specific to a tunnel, > > so > > > control is better. Policies are not, and that > > leads > > > to a "VPNs are like a box of chocolates" > > situation. > > > > > > If you are being supported by a CSP, run vpn debug > > > trunc, get the handy ike.elg, and have them run it > > > through IkeView. That will show you exactly what's > > > going on and make short work of this issue. Could > > > also use tcpdump and ethereal for phase-1 issues, > > > but that's only get you halfway through the > > exchange > > > - once encryption starts, you're blind. Ethereal > > > won't help with Phase-2; IkeView will. > > > > > > Good news is: This will come up once parameters > > > match 100% on both sides. > > > > > > > > > -----Original Message----- > > > From: Mailing list for discussion of Firewall-1 > > > > > > [mailto:[EMAIL PROTECTED] > > > Behalf Of > > > Ramakrishnan Pillai > > > Sent: Wednesday, December 14, 2005 10:15 AM > > > To: [email protected] > > > Subject: [FW-1] VPN between R55 and PIX > > > > > > > > > While doing a site-to-site between R55 and PIX we > > > are getting "Message from peer: No proposal > > choosen" > > > at checkpoint end. Using preshared secret and all > > > parameters are identical. Any idea where to check > > > for. > > > > > > Thanks in advance. > > > RK > > > > > > > > > ================================================= > > > To set vacation, Out-Of-Office, or away messages, > > > send an email to > > [EMAIL PROTECTED] > > > in the BODY of the email add: > > > set fw-1-mailinglist nomail > > > ================================================= > > > To unsubscribe from this mailing list, > > > please see the instructions at > > > http://www.checkpoint.com/services/mailing.html > > > ================================================= > > > If you have any questions on how to change your > > > subscription options, email > > > [EMAIL PROTECTED] > > > ================================================= > > > > > > > > > Please note that: > > > > > > 1. This e-mail may constitute privileged > > > information. 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