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kandi X-RAY | badssl.com Summary
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QUESTION
When I request a URL with an expired HTTPS certificate I do not get a meaningful error from requests. Instead it gives me a cascade of "ssl.SSLError: A failure in the SSL library occurred".
See this example with https://expired.badssl.com/ :
...ANSWER
Answered 2022-Mar-23 at 17:01This is normally how you would handle such a thing:
QUESTION
I created a simple Python program to get the expiry date of SSL cert, from reference on the Internet. It works correctly for cert that is still not expired. But for cert that already expired, an error was raised during the socket handshake due to the cert expiry.
How do I get the expired cert info to extract the expiry date because the connection is refused. Is there a way to force the socket connection to establish even though the cert might be expired?
Code:
...ANSWER
Answered 2022-Feb-17 at 06:52I managed so create a working solution. Check my Github gist here: https://gist.github.com/sharuzzaman/8827ef0d9fff89e4e937579b2b01653f
Also the verbatim code here for quick reference
QUESTION
I am working on some SSL Certificate errors, and found that is a website has SSL Error
run sendCommand(SecurityInterstitialCommandId.CMD_PROCEED)
in Chrome console and the site will be loaded.
When I load the site again no error or warning page is shown, Can someone tell me how this command works and how can I revert the untrusted site back to how it was (showing untrusted warning).
I think clearing the site data will revert, but I'm not sure if that's right, If its right is there a js command like the above one to clear site data of a particular website?
Tested site : expired.badssl.com & wrong.host.badssl.com
ANSWER
Answered 2021-Dec-16 at 22:10If you want to revert the untrusted site page back, click the red Not Secure icon before the url in browser address bar, then click the red Re-enable warnings.
QUESTION
I am writing a piece of code to verify that a given URL's SSL certificate is valid, however, the requests library does not seem to be working correctly. Here is the code:
...ANSWER
Answered 2021-Oct-17 at 20:55Your problems seems to be that your IF statement is not evaluated because requests already throws the exception when the SSL verification fails.
You will probably need to handle that with a dedicated try-except block, something like:
QUESTION
My Chrome Version 92.0.4515.159 (Official Build) (64-bit) browser says: NET::ERR_CERT_AUTHORITY_INVALID when requesting the https://www.europasprak.com/ page.
The page https://incomplete-chain.badssl.com/ says:
ANSWER
Answered 2021-Aug-29 at 15:53Looking at your certificate the Common Name (CN) and Organization (O) are incorrect as they both say Staging, they should say R3 and Let's Encrypt. When creating the certificate you specified --staging. Use the below command to generate a certificate.
QUESTION
I am able to get the chains well if I use browser.webRequest.getSecurityInfo inside a browser.webRequest.onHeadersReceived listener during a regular https connection, but if the connection failed due to a security issue such as an expired certificate then onHeadersReceived never gets triggered.
If I accept the bad certificate then onHeadersReceived does get triggered, but the security info does not contain the bad certificate.
I tried looking at browser.webRequest.onErrorOccurred and browser.webRequest.onCompleted but had no luck in getting getSecurityInfo to work in those contexts
I know the browser itself has this information because you can get it to display the certificate chain in the built in viewer (which can display arbitrary certificates in the format of url_encode(base64_encode(DER_certificate))
Does any one know how can I get either nice certificate objects or at least the DER bytes (encoded or not, it doesn't matter) ?
...ANSWER
Answered 2021-Mar-23 at 11:22If I accept the bad certificate then onHeadersReceived does get triggered, but the security info does not contain the bad certificate.
This is a bug in Firefox.
I tried looking at browser.webRequest.onErrorOccurred and browser.webRequest.onCompleted but had no luck in getting getSecurityInfo to work in those contexts
Like the documentation says: getSecurityInfo only works in onHeadersReceived. There are two related bugs, 1499592 and 1474657, to make getSecurityInfo work with other listeners as well.
QUESTION
Im very new to all this, but I've made a hybrid framework (python, selenium, pytest, page object model) for practicing automation with and kind of hit a tough one with SSL certs and how to ignore the certificate error.I'm using the https://expired.badssl.com site to test it with
The code I've found to use is:
...ANSWER
Answered 2021-Feb-28 at 00:02caps = webdriver.DesiredCapabilities.CHROME.copy()
caps['acceptInsecureCerts'] = True
driver = webdriver.Chrome('./chromedriver', desired_capabilities=caps)
driver.get(
"https://untrusted-root.badssl.com/")
QUESTION
I'm using the Java Bouncy Castle TLS library (bctls-jdk15to18-1.68.jar). When I call SSLContext.getInstance, I specify "TLS" and the BCJSSE provider:
ANSWER
Answered 2021-Feb-09 at 20:57As the client, are all of these versions communicated to the server, and the server chooses the highest that it supports?
The client simply tells which versions are supported (TLS 1.3 supported_versions extension) or announces the best it can do (TLS 1.2 and lower). The server then simply picks the highest protocol version which is supported by both client and server.
If I denote a specific version SSLContext.getInstance("TLSv1.3",BCJSSE); and the server does not support that version is an exception thrown?
If there is no common protocol version supported by both client and server then the handshake will fail and an exception thrown.
I'm trying to determine why you would ever specify a version in your call, if the negotiation will automagically determine the best match.
This will usually only be done if there is a requirement to not support versions below a specific one, i.e. support only TLS 1.2 and higher. Since TLS 1.0 is considered too weak already in some situations, this can be a real-world requirement.
QUESTION
This question has puzzled me while looking into a Mutual SSL failure between my client app and an external Server.
When my app tries to connection to the external server's rest API - let's call it https://www.server.com/api/resolve - I expect a "Certificate Request" handshake element to be sent with their Server hello. As far as I can tell from a tcpdump of all traffic between me and the server, it is not sent. Only a "Server Hello, Certificate, Certificate Status, Server Key Exchange, Server Hello Done" is sent:
tcpdump of TLSv1.2 handshake: https://i.stack.imgur.com/50Ous.png
However when I try to access that same API URL in Chrome, the browser displays a box asking me to select my client certificate for mutual authentication. When I capture a dump of that handshake up to the point where the browser prompts me for a certificate, I still see no "Certificate Request" sent by the Server:
Tcpdump of browser navigation to API: https://i.stack.imgur.com/hvOEx.png
After selecting a certificate in Chrome, I'm directed to the site, however I see no Client "Certificate" sent in my TLS1.2 capture either.
My question is, is there any way can Chrome know a client cert was requested by the server if that request is not sent in the TLS handshake?
Alternatively, is it possible wireshark is lying to me? When I test against, for example: https://client.badssl.com/ which requests Mutual SSL, I see the Certificate Request right after the Server Key Exchange exactly as I should. I noticed in the TLSv1.2 RFC (https://tools.ietf.org/html/rfc5246) it notes:
"In particular, the certificate and certificate request handshake messages can be large enough to require fragmentation."
But this should be irrelevant to how Wireshark is displaying the TLS info.
...ANSWER
Answered 2020-Aug-09 at 12:12There are several Encrypted Handshake Message in the packet capture after the application data. This very likely means that the server itself does not request a client certificate by default but that the certificate is only requested for specific URL.
In this case first a TLS handshake is done without a CertificateRequest. Once the handshake is finished the client sends the HTTP request over the encrypted connection which is the Application Data in the packet capture. The server will determine that the requested URL needs a client certificate and initiate a renegotiation, i.e. another TLS handshake but this time with a CertificateRequest. But since the connection is already encrypted this renegotiation is only visible as Encrypted Handshake Message and the details cannot be seen without decrypting the traffic.
QUESTION
conftest.py:
...ANSWER
Answered 2020-Aug-04 at 19:01If I understood that correctly now, you don't want to change the default sort order, except for the parametrized tests.
Here is a slightly more complicated adapted version that shall do this (I tried to add enough comments to explain it):
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