# Github needs diffie-hellman-group-exchange-sha1 some of the time but not always. Host github.com KexAlgorithms {{ kex_algorithms }},diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1 Host * Ciphers {{ ciphers }} KexAlgorithms {{ kex_algorithms }} SendEnv LANG LC_* HashKnownHosts yes GSSAPIAuthentication yes GSSAPIDelegateCredentials no MACs {{ macs }} PasswordAuthentication no UseRoaming no