How can you check and analyze SSL ports other than 443?
but it said
Ports other than 443 not supported
I need to check imap.spamarrest.com:993
I can run a tool on my machine, but I thought a site would be more authoritative and configured correctly, and up-to-date, and easier to use.
2021-02-28 Update: GeoCerts and SSLPing
Two new entries on the list. They've been around for a while. Both of these can do ports other than 443:
- https://sslping.com/ <= requires (free) account to check ports apart from 443
I prefer SSLPing for it's "just the essentials!" results interface.
ImmuniWeb (new service; formerly HTBridge)
Example: Report for
There are a few. But none even close to what SSL Labs does.
Here are two sample sites.
- DigiCert SSL Tools (one gets redirected to this site from formerly mentioned https://ssltools.websecurity.symantec.com/checker/)
Port 443 limit is by design
SSL Labs does this on purpose. I didn't know this. But here's the rationale. It's listed inside their Read This First document:
Commonly Requested Features
- Checking of IP addresses without hostnames; SSL Labs is designed to test public web servers services. We define public as having a DNS record and running on the official port for the given service (e.g., 443 for HTTPS). We don't allow direct checking of IP addresses because we don't consider such services public.
- Checking of web servers on non-standard ports; see the previous point.