4
當我嘗試從我的系統ssh到朋友的系統時，我面臨約5-6秒的延遲。這裏是命令的詳細輸出：嘗試SSH到系統時的延遲
[email protected]:~$ ssh -v [email protected]
OpenSSH_5.3p1 Debian-3ubuntu7, OpenSSL 0.9.8k 25 Mar 2009
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: Applying options for *
debug1: Connecting to 192.168.40.211 [192.168.40.211] port 22.
debug1: Connection established.
debug1: identity file /home/zeus/.ssh/identity type -1
debug1: identity file /home/zeus/.ssh/id_rsa type 1
debug1: Checking blacklist file /usr/share/ssh/blacklist.RSA-2048
debug1: Checking blacklist file /etc/ssh/blacklist.RSA-2048
debug1: identity file /home/zeus/.ssh/id_dsa type -1
debug1: Remote protocol version 2.0, remote software version OpenSSH_6.0p1 Debian-3ubuntu1
debug1: match: OpenSSH_6.0p1 Debian-3ubuntu1 pat OpenSSH*
debug1: Enabling compatibility mode for protocol 2.0
debug1: Local version string SSH-2.0-OpenSSH_5.3p1 Debian-3ubuntu7
debug1: SSH2_MSG_KEXINIT sent
debug1: SSH2_MSG_KEXINIT received
debug1: kex: server->client aes128-ctr hmac-md5 none
debug1: kex: client->server aes128-ctr hmac-md5 none
debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<1024<8192) sent
debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP
debug1: SSH2_MSG_KEX_DH_GEX_INIT sent
debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY
debug1: Host '192.168.40.211' is known and matches the RSA host key.
debug1: Found key in /home/zeus/.ssh/known_hosts:71
debug1: ssh_rsa_verify: signature correct
debug1: SSH2_MSG_NEWKEYS sent
debug1: expecting SSH2_MSG_NEWKEYS
debug1: SSH2_MSG_NEWKEYS received
debug1: SSH2_MSG_SERVICE_REQUEST sent
debug1: SSH2_MSG_SERVICE_ACCEPT received
<---- delay 4-5 seconds------>
debug1: Authentications that can continue: publickey,password
debug1: Next authentication method: publickey
debug1: Trying private key: /home/zeus/.ssh/identity
debug1: Offering public key: /home/zeus/.ssh/id_rsa
debug1: Authentications that can continue: publickey,password
debug1: Trying private key: /home/zeus/.ssh/id_dsa
debug1: Next authentication method: password
有人可以幫我弄清楚如何我可以擺脫這種延遲？
一個常見的DNS問題。請參閱http://superuser.com/questions/372238和http://sysadvent.blogspot.nl/2010/12/day-8-everything-is-dns-problem.html –
，這很有幫助。謝謝。 –