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testssl/testssl.sh

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Testing TLS/SSL encryption anywhere on any port

39 mentions on Hacker News by 7 people: 15 stories, 24 comments · first 2016-02-03 · latest 2026-05-03

Mentions per year 39 mentions · busiest year 2022 (8)
20082026
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  1. ▲ 2
    Testssl.sh: checks a server's service on any port for the support of TLS ciphers
    story by Bender · 2026-05-03 · 0 comments
  2. I use testssl.sh [1] mostly because I can test things not publicly accessible. [1] - https://github.com/testssl/testssl.sh
    comment by Bender · 2026-03-04 · in RFC 9849. TLS Encrypted Client Hello
  3. …bytes. And because it's bash, it also breaks in confusing ways when you look at it wrong[1]. [1] https://github.com/testssl/testssl.sh/pull/2429
    comment by BoppreH · 2025-11-15 · in SSL Configuration Generator
  4. …to HTML reports . [1] - https://securityheaders.com/ [2] - https://www.ssllabs.com/ssltest/ [3] - https://github.com/testssl/testssl.sh
    comment by Bender · 2025-11-15 · in SSL Configuration Generator
  5. …(OK) Forward Secrecy strong encryption (AEAD ciphers) offered (OK) Tested with testssl.sh [1] [1] - https://github.com/testssl/testssl.sh
    comment by Bender · 2025-05-08 · in Gmail will soon stop support for the 3DES encryption cipher for incoming SMTP
  6. …:A9:EA:05:7B:AE:BF:11:FD:78:C5:F9:68:BB:EB:F4:7F:69:6A Tested both IPv4 and IPv6, same results. [1] - https://github.com/drwetter/testssl.sh
    comment by LinuxBender · 2024-07-10 · in Ask HN: Getting a certificate error with Cloudflare dashboard?
  7. …have a paid account. [1] - https://www.ssllabs.com/ssltest/analyze.html?d=www.teamkenne... [2] - https://github.com/drwetter/testssl.sh [3] - https://securityheaders.com/?q=https%3A%2F%2Fwww.teamkennedy...
    comment by LinuxBender · 2023-03-17 · in Team Kennedy needs some HTTPS help?
  8. …how I can get a list of all the domains using curl. [1] - https://www.ssllabs.com/ssltest/ [2] - https://github.com/drwetter/testssl.sh [3] - https://www.ssllabs.com/ssltest/analyze.html?d=joinpeertube....
    comment by LinuxBender · 2023-02-08 · in What 2023 will bring for PeerTube
  9. …your OS CA store up to date? [1] - https://www.ssllabs.com/ssltest/analyze.html?d=www.gov.uk [2] - https://github.com/drwetter/testssl.sh
    comment by LinuxBender · 2022-12-05 · in UK gov website certificate issue
  10. …they have wan accelerators or anycast proxies with bad certs that are region specific? [1] - https://github.com/drwetter/testssl.sh [depends on bash and openssl]
    comment by LinuxBender · 2022-10-15 · in Paypal.com is using revoked certificate
  11. ▲ 1
    Testssl.sh: command line tool to audit any TLS endpoint, depends on OpenSSL Bash
    story by LinuxBender · 2022-10-13 · 0 comments
  12. …those using Ansible. [1] - https://www.ssh-audit.com/ [2] - https://ssl-config.mozilla.org/ [3] - https://github.com/drwetter/testssl.sh
    comment by LinuxBender · 2022-10-13 · in DHEat Attack: DoS attack by enforcing the Diffie-Hellman key exchange
  13. …HTML/CSS. [1] - https://www.ssllabs.com/ssltest/ [2] - https://dev.ssllabs.com/ssltest/ [3] - https://github.com/drwetter/testssl.sh [4] - https://securityheaders.com/ [5] - https://urlscan.io/ [6] - https://bgp.he.net/ [7] -…
    comment by LinuxBender · 2022-09-29 · in Badssl.com (2017)
  14. …that also depends on bash and openssl. [1] - https://github.com/acmesh-official/acme.sh [2] - https://github.com/drwetter/testssl.sh
    comment by LinuxBender · 2022-08-21 · in Uacme: ACMEv2 client written in plain C with minimal dependencies
  15. …is just bash+openssl that runs from your machine. [1] - https://www.ssllabs.com/ssltest/ [2] - https://github.com/drwetter/testssl.sh.git
    comment by LinuxBender · 2022-05-02 · in GoDaddy Cert and Chrome Update = Net:Err_certificate_transparency_required
  16. …t.com/r/hackernews/search.rss?q=web&restric... GitHub provides Atom feeds in various places. Example: https://github.com/drwetter/testssl.sh/releases.atom When I don't know if a site offers a syndication URL, I fall back to viewing the…
    comment by foresto · 2022-01-05 · in I Miss RSS
  17. ▲ 4
    Test TLS/SSL on any port using only OpenSSL and Bash
    story by LinuxBender · 2021-12-26 · 0 comments
  18. …early on. [1a] - https://www.ssllabs.com/ssltest/ [1b] - https://dev.ssllabs.com/ssltest/ [2] - https://github.com/drwetter/testssl.sh.git
    comment by LinuxBender · 2021-12-12 · in Implementing TLS Encrypted Client Hello [Nov 2021]
  19. ▲ 3
    Testssl.sh is a free command line tool which checks a server's TLS/SSL ciphers
    story by LinuxBender · 2021-08-22 · 1 comment
  20. ▲ 1
    Testssl.sh: Tool which checks a server's service on any port
    story by LinuxBender · 2021-06-25 · 0 comments
  21. …testssh.sh to your server to see if it finds anything odd. [2] [1] - https://serverfault.com/ [2] - https://github.com/drwetter/testssl.sh
    comment by LinuxBender · 2021-06-24 · in Ask HN: Why is the server waiting 10s to send TLS ServerHello?
  22. ▲ 1
    Check service on any port for the support of TLS ciphers protocols, some flaws
    story by LinuxBender · 2021-03-26 · 0 comments
  23. ▲ 1
    Testssl.sh is a command line tool which checks a server for TLS ciphers flaws
    story by LinuxBender · 2021-03-18 · 0 comments
  24. ▲ 10
    Testssl.sh A command line tool test TLS ciphers, protocols, cryptographic flaws
    story by LinuxBender · 2020-09-22 · 0 comments
  25. …rather than installing intermediate certs correctly. I always point them to testssl.sh [1] [1] - https://github.com/drwetter/testssl.sh
    comment by LinuxBender · 2020-06-25 · in United States wants HTTPS for all government sites, all the time
  26. ▲ 1
    Testing TLS/SSL encryption anywhere on any port
    story by LinuxBender · 2020-03-05 · 1 comment
  27. ▲ 1
    Testssl 3.0 added support for TLS 1.3 added. ROBOT check added. more
    story by LinuxBender · 2020-01-24 · 0 comments
  28. …bash. If you have your own self signed CA/certs, then you would have to import them into FF. [1] - https://github.com/drwetter/testssl.sh
    comment by LinuxBender · 2019-10-22 · in Firefox 70
  29. ▲ 1
    Testing TLS/SSL encryption anywhere on any port
    story by LinuxBender · 2019-10-21 · 0 comments
  30. ▲ 1
    Testing TLS/SSL encryption anywhere on any port
    story by LinuxBender · 2019-06-18 · 0 comments
  31. https://github.com/mozilla/tls-observatory https://github.com/drwetter/testssl.sh
    comment by jakobdabo · 2019-04-19 · in SSLlabs alternative open source to self host?
  32. For that, look to testssl.sh ( https://github.com/drwetter/testssl.sh )
    comment by newman314 · 2019-03-04 · in Show HN: My shell script for HTTP/HTTPS troubleshooting and profiling
  33. …on openssl. [1] Albeit, a bit more verbose and doesn't have that nice one page output. [1] - https://github.com/drwetter/testssl.sh
    comment by LinuxBender · 2019-03-04 · in Show HN: My shell script for HTTP/HTTPS troubleshooting and profiling
  34. ▲ 2
    Testing TLS/SSL encryption anywhere on any port
    story by LinuxBender · 2018-11-08 · 0 comments
  35. ▲ 1
    Testing TLS/SSL encryption anywhere on any port
    story by LinuxBender · 2018-10-02 · 0 comments
  36. ▲ 1
    Testing TLS/SSL encryption anywhere on any port
    story by LinuxBender · 2018-09-10 · 0 comments
  37. …notice, but probably would not alert anyone. [1] https://www.ssllabs.com/ssltest/index.html [2] https://github.com/drwetter/testssl.sh
    comment by LinuxBender · 2017-07-11 · in Taking control of all .io domains with a targeted registration
  38. …only scanned port 443. I like testssl.sh - you can point it at arbitrary ports: https://testssl.sh/ https://github.com/drwetter/testssl.sh
    comment by tanthony01 · 2016-02-11 · in Securityheaders.io – Analyse your HTTP response headers
  39. …SSL Labs, I also find this useful for things that are not exposed to the internet. (firewalled) [1] https://github.com/drwetter/testssl.sh It only depends on OpenSSL and bash. I find it very useful for reviewing our systems before they go…
    comment by LinuxBender · 2016-02-03 · in Comparison of SSL Labs TLS Scores with Different Go Versions