Date: Tue, 6 Jan 2004 16:20:25 -0500 (EST) From: tomt@callcds.com To: freebsd-net@freebsd.org Subject: IPENCAP Problem Message-ID: <38738.12.217.87.137.1073424025.squirrel@mail.callcds.com>
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The problem I have 5 buildings that are connected via point-to-point wireless. The cost of dedicated lines within this town were so high that wireless was an excellent option. The wireless is in place and working however we are going back to secure the wireless cloud so that it cannot be used by unauthorized people. The internet connection for all buildings is located at Building A so all machines need to route across the wireless to the internet. The solution 5 PCs running FreeBSD 5.1-Release using 2 network cards apiece and running IP-ENCAP between nodes with the tunnel being encrypted with IPSEC. Routing on each gateway that sends its traffic to the headend at Building A I have all this working except for this problem The PROBLEM Certain websites are not accessible sears.com msnbc.com microsoft.com drudgereport.com Other websites will work normally freebsd.org slashdot.org ebay.com What seems to be the problem Each of the websites that I listed have round-robin DNS enabled and have multiple A records for the website What I have done Recompile kernel back to GENERIC with options IPSEC options IPSEC_ESP options IPFIREWALL Disable IPSEC rc.conf ipsec_enable="NO" Open IPFW rules wide open firewall_enable="YES" firewall_type="OPEN" Summary I have slimed this configuration back to 2 machines(Building A and Building B) Building A External IP: 192.168.0.3/27 Internal IP: 10.114.252.1/22 Building B External IP: 192.168.0.6/27 Internal IP: 10.114.96.1/20 Removed IPSEC tunneling between machines now IP-ENCAP is the only thing that travels between machines. Opened the ruleset on both machines IPFW installation to OPEN Does anyone have any suggestions? Thanks Tom
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