$Id: README.openssh2,v 1.7 2000/04/28 08:10:20 markus Exp $ howto: 1) generate server key: $ ssh-keygen -d -f /etc/ssh_host_dsa_key -N '' 2) enable ssh2: server: add 'Protocol 2,1' to /etc/sshd_config client: ssh -o 'Protocol 2,1', or add to .ssh/config 3) DSA authentication similar to RSA (add keys to ~/.ssh/authorized_keys2) interop w/ ssh.com dsa-keys: ssh-keygen -f /key/from/ssh.com -X >> ~/.ssh/authorized_keys2 and vice versa ssh-keygen -f /privatekey/from/openssh -x > ~/.ssh2/mykey.pub echo Key mykey.pub >> ~/.ssh2/authorization works: secsh-transport: works w/o rekey proposal exchange, i.e. different enc/mac/comp per direction encryption: blowfish-cbc, 3des-cbc, arcfour, cast128-cbc mac: hmac-md5, hmac-sha1, (hmac-ripemd160) compression: zlib, none secsh-userauth: passwd and pubkey with DSA secsh-connection: pty+shell or command, flow control works (window adjust) tcp-forwarding: -L works, -R incomplete x11-fwd dss/dsa: host key database in ~/.ssh/known_hosts2 client interops w/ sshd2, lshd server interops w/ ssh2, lsh, ssh.com's Windows client, SecureCRT, F-Secure SSH Client 4.0 server supports multiple concurrent sessions (e.g. with SSH.com Windows client) todo: re-keying secsh-connection features: tcp-forwarding, agent-fwd auth other than passwd, and DSA-pubkey: keyboard-interactive, (PGP-pubkey?) config server-auth w/ old host-keys cleanup advanced key storage? keynote sftp -markus $Date: 2000/04/28 08:10:20 $