For the past week or two, whenever I try to access an https area of sfbay craigslist (clicking my account link, clicking discussion forums category heading on main page, or the link to any of the listed forums, clicking the craigslist contact us email link, clicking the feedback link in the footer), my browser throws a warning that the security certificate is invalid. My defalt browser is FireFox, but it also happens in Chrome and IE (all three browsers are current). It does NOT happen with my phone browser (Android ICS/Dolphin). My OS is Windows 7 Ultimate, and my AV is Avast free (but this is not an Avast warning).
All of the routes CL provides to contact them trigger this warning, so I have not been able to contact through the site, or even access the feedback forum to see whether anyone else is experiencing this.. I have emailed email@example.com several times, but only get canned responses. Since I am not seeing recent complaints about this all over the internet, I assume it is not happening for everyone, and is probably something on my end. However, other sites are loading normally.
I have numerous items for sale, and am running a business off of CL leads, so this is hugely inconvenient, but I don't override security warnings until I know what is causing them. Can anyone help me figure this out? Here is the warning language from each browser - in each case, I have clicked on the my account button, right below the sitename and post to classifieds link in the left sidebar of the main page, on sfbay craigslist. In each case, the URL bar shows https://accounts.craigslist.org/login/home (https is overstruck in Chrome)
This Connection is Untrusted
You have asked Firefox to connect securely to accounts.craigslist.org, but we can't confirm that your connection is secure.
Normally, when you try to connect securely, sites will present trusted identification to prove that you are going to the right place. However, this site's identity can't be verified.
What Should I Do?
If you usually connect to this site without problems, this error could mean that someone is trying to impersonate the site, and you shouldn't continue.
accounts.craigslist.org uses an invalid security certificate.
The certificate is not trusted because the issuer certificate is unknown.
The server might not be sending the appropriate intermediate certificates.
An additional root certificate may need to be imported.
(Error code: sec_error_unknown_issuer)
INTERNET EXPLORER (11)
There is a problem with this website’s security certificate.
The security certificate presented by this website was not issued by a trusted certificate authority.
Security certificate problems may indicate an attempt to fool you or intercept any data you send to the server.
We recommend that you close this webpage and do not continue to this website.
Recommended iconClick here to close this webpage.
Not recommended iconContinue to this website (not recommended).
More information More information
•If you arrived at this page by clicking a link, check the website address in the address bar to be sure that it is the address you were expecting.
•When going to a website with an address such as https://example.com, try adding the 'www' to the address, https://www.example.com.
For more information, see "Certificate Errors" in Internet Explorer Help.
Your connection is not private
Attackers might be trying to steal your information from accounts.craigslist.org (for example, passwords, messages, or credit cards). NET::ERR_CERT_AUTHORITY_INVALID
Back to safetyHide advanced
This server could not prove that it is accounts.craigslist.org; its security certificate is not trusted by your computer's operating system. This may be caused by a misconfiguration or an attacker intercepting your connection.
Proceed to accounts.craigslist.org (unsafe)
They all seem to agree on the problem, so why am I the only one (apparently) seeing this?