Forum Discussion
How can I configure Server SSL Profiles to connect to different URLs on the same server?
- Jun 24, 2015
Hello,
We had the same issue we had a single vip which teminated SSL at the LTM level but had to make two backend SSL connections to an HA-Proxy server so HA-Proxy would need to see the SSL call to a specific cert name. As you mentioned we created two separate Server SSL profiles each with differetn SNI and set one profile as default. No matter what we did the LTM only used the default profile SNI and ignored the secondary Server Profile's SNI when making the ltm to backend server SSL connection. Even in packet caputure we can see that it was only using default server's SNI only (we are running LTM 11.5.1. HF8). So that lead us to believe even though you can assign multiple server profiles with differetn SNI names, the LTM only uses the profile set as the default SNI and ignores the other profiles.
Our fix to this was to create a second VIP, map to the same backend servers and assign each vip with its own SNI profile. This is not an ideal setup if you are calling multiple certs or if you can't used multiple vips. But it worked for us and we didn't bother opening a case with F5 as I think you can not use multi-SNI calls on server side SSL calls.
Thanks. We have tried many different combinations. We cant seem to get SNI to work between the BIG-IP and the server. In one of our attempts, we had two Server SSL profiles with site1 listed as the default SNI; connections to site1.domain.uk worked but connections to site2.domain.uk didnt. If we swapped the defaults so that site2 was the default SNI, that worked but site1 didn's so we're a bit stumped.
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