# Are the Self Signed Certs bound by IP / Hostname **URL:** \ **Category:** Elastic Security\ **Created:** [April 15, 2025, 12:20pm UTC](https://discuss.elastic.co/t/are-the-self-signed-certs-bound-by-ip-hostname/377147 "2025-04-15T12:20:35Z")\ **Posts on this page:** 1\ **Showing post:** 6
**Author:** ![stephenb](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/stephenb/32/40856_2.png) [@stephenb](https://discuss.elastic.co/u/stephenb)\ **Post date:** [April 16, 2025, 5:29pm UTC](https://discuss.elastic.co/t/are-the-self-signed-certs-bound-by-ip-hostname/377147/6 "2025-04-16T17:29:42Z")
> [@Regenerate the SSL Certificate that was auto-generated on setup of ElasticSearch](https://discuss.elastic.co/t/regenerate-the-ssl-certificate-that-was-auto-generated-on-setup-of-elasticsearch/377216/1): > > Hello! We have been using Elasticsearch with Zammad on an Ubuntu server for several months, and we recently moved the server to a new IP address. Because Elasticsearch was set up with the former IP address, the auto-generated SSL Certificate, "/etc/elasticsearch/certs/http\_ca.crt", is not working with the new IP address. Specifically, it gives an error that the IP address does not match the one in the certificate. We were wondering if there was a command to use that would regenerate this SSL C… --- _[View the full topic](https://discuss.elastic.co/t/are-the-self-signed-certs-bound-by-ip-hostname/377147)._