Fix ERR_SSL_VERSION_OR_CIPHER_MISMATCH error

When visiting a web site if you’re going through ERR SSL VERSION OR CIPHER MISMATCH error, then primarily it’s not your fault as an finish consumer. It can occur with any browser together with Chrome, Firefox, Internet Explorer or Edge browser. It signifies that the web site is utilizing an SSL certificates which the browser is rejecting as a result of the certificates has an issue. In this information, we’ll share some tips to repair this error.

fix err ssl version or cipher mismatch error - Fix ERR_SSL_VERSION_OR_CIPHER_MISMATCH error

The normal error message reads as follows:

A safe connection can’t be established as a result of this website makes use of an unsupported protocol, Error code ERR_SSL_VERSION_OR_CIPHER_MISMATCH

That mentioned, it is usually doable that the downloaded certificates in your PC is corrupted or your PC configuration for TSL/SSL is misconfigured.

ERR_SSL_VERSION_OR_CIPHER_MISMATCH

Let us see what you are able to do about it!

1] Can you entry the web site with HTTP?

Try to entry the web site with the one HTTP within the begin. Do not use Https, and if you happen to see the identical downside, the issue is with the web site.  If you’re we web site proprietor,  it is advisable test for 2 issues:

    • Is your SSL certificates identify mismatching? Make positive the identify and alias of the web sites match with the precise web site URL the place the certificates is put in.
    • Is your server utilizing RC4 Cipher? If sure it is advisable repair that.

As a web site proprietor,  you additionally have to test in case your CDN additionally helps SSL. Most of the CDN now helps SSL, and all you want is to configure it appropriately. While the web site delivers content material over SSL, if the remainder of the information will not be over SSL, this error would possibly present up.

2] Enable SSL three / TLS  and Disable QUIC Protocol

If you’re utilizing Chrome, then make sure that to comply with the protocol fixes for SSL3/TLS and QUIC that are among the causes to trigger the SSL model / Cipher Mismatch. It additionally contains few fixes for Windows 10 PC the place you possibly can clear your certificates, make sure that your pc time and date is in sync along with your timezone and so forth.

For Edge and Internet Explorer please comply with the steps as talked about under:

1538258514 105 fix err ssl version or cipher mismatch error - Fix ERR_SSL_VERSION_OR_CIPHER_MISMATCH error

  1. In the search field, kind Internet, and you need to see Internet Options, within the outcome.
  2. In the Internet Properties window, change to the Advanced tab, and scroll all the way down to the Security part.
  3. Check the Use TLS 1.1 and User TLS 1.2 test containers, after which click on OK.
  4. Exit.

For Firefox, kind about: config in your tackle bar, and hit Enter.

1538258514 575 fix err ssl version or cipher mismatch error - Fix ERR_SSL_VERSION_OR_CIPHER_MISMATCH error

  • Type TLS within the search area, and double click on on safety.tls.model.min
  • Set the integer worth to three to drive protocol of TLS 1.three
  • Click OK, and restart Firefox browser.

Repeat identical for SSL and so forth.

Let us know if any of those fixes helped you to resolve this error.

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