tinyssh
testssl.sh
| tinyssh | testssl.sh | |
|---|---|---|
| 8 | 43 | |
| 1,388 | 7,655 | |
| - | - | |
| 5.0 | 8.7 | |
| 12 days ago | 8 days ago | |
| C | Shell | |
| Creative Commons Zero v1.0 Universal | GNU General Public License v3.0 only |
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tinyssh
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Ldd /usr/sbin/sshd – Alpine vs. Ubuntu for exploitability of CVE-2024-3094
While on topic of sshd having minimal dependencies, shout-out to Jan Mojžíš and his minimalist implementation:
https://github.com/janmojzis/tinyssh/
- Tinyssh
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Large scale Internet SSH brute force attacks seem to have stopped here
> [after] hardening steps [...] most of the bots can't even negotiate a connection
Yep, same here, except I'm using [tinyssh], which organically does not support anything other than ed25519/curve25519, sha256, and chacha-poly.
[tinyssh] https://tinyssh.org/
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OpenSSH 8.9
djb suggested that for openssh instead of the tinydns kex, so tinydns switched also:
https://github.com/janmojzis/tinyssh/issues/50
- tinyssh
- FreeBSD SSH Hardening
testssl.sh
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Badssl.com
You’re in luck because such a tool exists :) https://testssl.sh/
- Testing TLS/SSL Encryption
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Uncertain how to proceed with patching SSL and TLS issues in MacOS (Sweet32)
Run https://testssl.sh/ and see what ciphers are being offered.
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Changing SSL Wildcard Certificate
There is https://github.com/drwetter/testssl.sh utility. It can help diagnose issues (e.g. diffs between working and non-working sites).
- Specific SSL Ciphers Test
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SSL Diag Tool
For internal use, there's https://testssl.sh/
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Dovecot not offering TLSv1.2 after a few minutes
The current configuration allows for TLSv1 to TLSv1.3 connections. I can verify those using testssl.sh, the tests will succeed (although correctly mentioning, that TLSv1 and TLSv1.1 should be disabled). Running the tests again after about 5 minutes, the results are different. TLSv1.2 now shows "not offered and downgraded to a weaker protocol".
- How to combine pem file and 3 security certificates?
- oggi 2022-11-01 verrà rilasciata una vulnerabilità di livello CRITICAL su OpenSSL 3.0.x
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alternative to whatsmychaincert.com cli or gui
testssl.sh
What are some alternatives?
dropbear - Dropbear SSH
https-ssl-cert-check-zabbix - Script to check validity and expiration of TLS/SSL certificate on hosts. May be used with Zabbix or standalone.
ssh-audit - SSH server & client security auditing (banner, key exchange, encryption, mac, compression, compatibility, security, etc)
kubernetes-the-hard-way - Bootstrap Kubernetes the hard way. No scripts.
server-side-tls - Server side TLS Tools
ssh-audit - SSH server auditing (banner, key exchange, encryption, mac, compression, compatibility, security, etc)
Samba - https://gitlab.com/samba-team/samba is the Official GitLab mirror of https://git.samba.org/samba.git -- Merge requests should be made on GitLab (not on GitHub)
yubikey-agent - yubikey-agent is a seamless ssh-agent for YubiKeys.
Wazuh - Wazuh - The Open Source Security Platform. Unified XDR and SIEM protection for endpoints and cloud workloads.
ssh-tarpit - SSH tarpit that slowly sends an endless banner
OpenSSL - TLS/SSL and crypto library