3 Ways to Fix the “SSL_ERROR_NO_CYPHER_OVERLAP” Error
Aug 14, 2023
3 Ways to Fix the “SSL_ERROR_NO_CYPHER_OVERLAP” Error
If you’ve ever seen this error, you know how frustrating it can be 🤯 Luckily, you can take some simple steps to troubleshoot it, and it all starts with this tutorial! https://www.youtube.com/c/Kinsta?sub _…https://kinsta.com/blog/ https://kinsta.com/newsletter/ https://twitter.com/kinsta https://instagram.com/kinstahosting https://facebook.com/kinstahosting https://kinsta.com/ https://kinsta.com/blog/ssl_error_no _…
Content
0.38 -> Hey everyone, I'm Mike.
1.4 -> And today we're going to go over three ways to fix
4.03 -> the SSL no cipher overlap error.
6.994 -> (upbeat music)
12.98 -> You may run into a wide range of
14.5 -> browser related issues on the web.
16.73 -> If you're using the Mozilla Firefox browser,
18.86 -> one of those potential problems is
20.28 -> the SSL no cipher overlap error.
23.06 -> In this video, we'll explain what this error means
25.64 -> and some of its possible causes.
27.55 -> Then we'll walk through how to fix it
29.14 -> using three potential methods.
31.25 -> But before we get too far,
32.42 -> I want to let you know that there'll be links
33.88 -> to more resources in the videos description below
36.24 -> and remember subscribe or ring that bell
38.32 -> to get notifications for future helpful content.
40.84 -> Now let's get started.
46 -> Unlike other browser errors,
48.04 -> the no cipher overlap error happens
49.97 -> specifically with Mozilla Firefox.
52.6 -> In a nutshell, this error occurs
54.37 -> when Firefox cannot obtain the security data
56.53 -> from a website you're trying to access.
58.58 -> Often, it happens when the site you're trying to get to
60.86 -> is older and doesn't have updated SSL protection.
64.39 -> In case you're unfamiliar,
65.77 -> SSL is the encryption between your computer
68.09 -> and a website server.
69.64 -> If you come across this error message,
71.09 -> it means your browser couldn't communicate
72.9 -> between them securely.
74.43 -> It's important to note that SSL is essentially the same
77.56 -> as transport layer security,
79.44 -> which will come up again in a moment.
81.3 -> It's possible that along with the error message,
83.33 -> Firefox will also show you that the authenticity
86.15 -> of the data can not be verified.
88.14 -> If so, the message may also advise you
90.39 -> to contact the website owner.
92.57 -> However, while the issue may be due to the website,
94.93 -> it could also be browser related.
96.53 -> More specifically, there's a chance that your version
98.46 -> of Firefox or one of your specific browser settings
101.16 -> is causing a miscommunication
102.8 -> between the website and your computer.
104.8 -> Another potential cause could be disabled
106.88 -> or misconfigured TLS or SSL3 settings.
110.55 -> Additionally, your browser and server must agree
113.33 -> on the same encryption cipher to connect.
115.72 -> Some ciphers, such as rc4, are no longer supported
118.86 -> by major browsers due to vulnerabilities.
121.46 -> If the server of the website
122.57 -> you're trying to connect uses an
124.12 -> unsupported encryption method, you may see this error
130.03 -> Now that we understand a little bit about this problem,
132.31 -> it's time to get to fixing it.
134.24 -> Here are three potential solutions you can use
136.31 -> to address this error message in Firefox.
138.8 -> The first and most straightforward fix for this error
141.15 -> is to make sure you're using the most up-to-date version
143.69 -> of the Firefox browser.
145.5 -> To keep your internet experience as smooth as possible,
148.21 -> this is something you should be doing regularly.
150.19 -> To update your Firefox browser to the latest version,
152.68 -> open the browser, click on the hamburger menu icon,
155.96 -> then navigate to help, then about Firefox.
159.33 -> If there are any updates available,
160.83 -> Firefox should immediately begin downloading them.
163.473 -> Once the download is complete,
165.38 -> click on the restart to update Firefox button.
168.02 -> Alternatively, you can get to the latest version
170.23 -> of the browser from the Firefox website.
172.81 -> Before downloading it remember to uninstall
174.87 -> your current version from your computer.
176.79 -> To do so on Windows, press the Windows + R key,
179.402 -> then type appwiz.cpl in the search box and press enter.
184.86 -> Under the program manager locate Firefox,
187.69 -> right click on it and select uninstall.
189.9 -> On Mac OS, click on "go',
192.11 -> then applications in the top toolbar.
194.49 -> Then drag Mozilla Firefox to the trash to delete it.
197.7 -> If you're using the latest Firefox version
199.63 -> or updating it didn't help, the next step you can try
202.29 -> is resetting your TLS and SSL3 settings.
206.13 -> Some websites require these protocols to make a connection.
208.9 -> Therefore, if yours are disabled
210.86 -> it might be the reason why you're seeing the error.
213.81 -> To reset them, open a new tab in your Firefox browser
216.88 -> and type about:config in the address bar.
220.87 -> You may see a message saying "this might void your warranty"
223.77 -> or to proceed with caution.
225.69 -> This warning is Firefox's way of preventing you
228.1 -> from accidentally making critical changes
230.11 -> to your browser settings.
231.402 -> Click on, accept the risk and continue to proceed.
235.1 -> On the next advanced preferences screen,
237.33 -> in the search bar type TLS.
239.7 -> Typing this will generate a list
241.2 -> of all your TLS configurations.
243.41 -> Look for any values that are bolded
245.11 -> as they are the ones that have changed recently.
247.7 -> For any bolded values, right click on them
249.83 -> and select reset to restore them to the default settings.
254.1 -> Next, repeat the same process for SSL3.
257.49 -> Type SSL3 in the search bar
259.89 -> and reset any recently changed value.
262.43 -> Also make sure the following two items are set to false.
266.12 -> Blocking these settings are essential for security purposes.
269.33 -> Generally we recommend you don't bypass
271.5 -> browser security protocols as their purpose
273.92 -> is to protect you from accessing unsafe websites.
276.93 -> However, if you know the site you're trying to access
279.69 -> is a secure one, you might be able to bypass this error
282.36 -> by manually entering a cipher validation.
285.32 -> To do so return to the about:config screen
288.3 -> in your Firefox browser.
290.04 -> Once again, type TLS into the search bar.
293.01 -> From the list, navigate to security.tls.version.min.
298.45 -> Click on the pencil icon on the far right to edit the item.
301.62 -> Then enter zero as the value.
304.56 -> Next, repeat the same process for
306.94 -> security.tls.version.fallback-limit.
310.95 -> A final way you can bypass encryption protocols
313.35 -> is by changing your browser's privacy settings.
315.86 -> To do so, open your Firefox menu,
318.35 -> then navigate to options, then privacy and security.
323.89 -> Under the security section,
325.763 -> deselect block dangerous and deceptive content.
329.28 -> Hopefully at this point you successfully resolved the error.
332.3 -> If not, the chances are that it's a server side issue.
335.79 -> Most often this happens when a site is using
338.4 -> the rc4 only cipher suite.
341.2 -> Some ciphers, including rc4, are no longer supported
343.964 -> by major browsers due to vulnerabilities.
346.89 -> You can run an SSL check to verify that your SSL certificate
350.61 -> isn't using outdated ciphers.
352.97 -> If you're not the site owner, the only thing left to do
355.52 -> is contact them to make sure they know the problem.
359.88 -> Kinsta WordPress hosting can speed up your website
362.27 -> by up to 200% and you'll get 24/7 support
365.38 -> from our expert WordPress engineers.
367.64 -> Let us show you the Kinsta difference.
370.61 -> Try a free demo of our MyKinsta dashboard
372.937 -> at demo.kinsta.com.
375.11 -> Thank you for watching
376.06 -> and don't forget to subscribe for more tutorials,
378.34 -> explainers and helpful content like this.
381.145 -> (upbeat music)
Source: https://www.youtube.com/watch?v=KRvymG27y08
