# SelfSigned Problems with Android **URL:** \ **Category:** Help\ **Created:** [February 23, 2021, 7:13pm UTC](https://vaultwarden.discourse.group/t/selfsigned-problems-with-android/637 "2021-02-23T19:13:27Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![PPee](https://yyz2.discourse-cdn.com/free1/user_avatar/vaultwarden.discourse.group/ppee/32/225_2.png) [@PPee](https://vaultwarden.discourse.group/u/PPee)\ **Post date:** [February 23, 2021, 7:13pm UTC](https://vaultwarden.discourse.group/t/selfsigned-problems-with-android/637/1 "2021-02-23T19:13:27Z")
Hi all, I got Bitwarden running on a raspberry, and I can access the vault securely from my Windows PC and Macbook by importing the certificate into Chrome. My Android phone however is protesting: “java.security.cert.CertPathValidatorException: Trust anchor for certification path not found”. It seems that Android has recently tightened the rules for handling self signed certificates. Is that true; any work arounds for this? Thx, PPee ---
**Author:** ![Benoit061980](https://avatars.discourse-cdn.com/v4/letter/b/ecc23a/32.png) [@Benoit061980](https://vaultwarden.discourse.group/u/Benoit061980)\ **Post date:** [March 5, 2021, 11:21am UTC](https://vaultwarden.discourse.group/t/selfsigned-problems-with-android/637/2 "2021-03-05T11:21:31Z")
Hi, I’m the same problem I hope an issue I use the SSL of QNAP ---
**Author:** ![BlackDex](https://yyz2.discourse-cdn.com/free1/user_avatar/vaultwarden.discourse.group/blackdex/32/8_2.png) [@BlackDex](https://vaultwarden.discourse.group/u/BlackDex)\ **Post date:** [March 5, 2021, 5:51pm UTC](https://vaultwarden.discourse.group/t/selfsigned-problems-with-android/637/3 "2021-03-05T17:51:50Z")
The workaround is using a valid certificate. > **[dani-garcia/bitwarden\_rs](https://github.com/dani-garcia/bitwarden_rs/wiki/Running-a-private-bitwarden_rs-instance-with-Let's-Encrypt-certs)** > > Running-a-private-bitwarden\_rs-instance-with-Let's-Encrypt-certs