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--- doc:appunti:linux:sa:ssh_config [2022/02/15 18:08] – created niccolo
+++ doc:appunti:linux:sa:ssh_config [2022/02/28 18:14] – [no mutual signature algorithm] niccolo
@@ Line 18: / Line 18: @@
     KexAlgorithms +diffie-hellman-group1-sha1
 </file>
+This will force the use of **diffie-hellman-group1-sha1** key exchange method, which is considered less secure nowday.
+===== No mutual signature algorithm =====
+Problem connecting from a modern (2022-02) **Termux** environment to an old **Debian 6**
+<code>
+ssh -o HostKeyAlgorithms=+ssh-rsa -o PubkeyAcceptedKeyTypes=+ssh-rsa root@192.168.0.250
+</code>