On Fri, Jan 18, 2002 at 12:19:36AM +0800, Zou Min wrote: > > Recently, there is a strange problem that, when I "ftp 192.168.1.1" > (the gateway server) from 192.168.1.3 (a client computer), it takes an > insanely > long time to get the ftp login prompt. (it is a just a internal connection, > and expected to be very fast). This problem also happens to internal telnet, > ssh connection to the server. > > When doing the above ftp connection, I also ran "tcpdump" to observe > eth0 (the external interface) at the server. It seems the server try to > find the hostname for 192.168.1.8 from the DNS server. But I thought there > should not be DNS-lookup involved. >
sound like a reverse dns lookup problem. Search 'reverse dns lookup telnet' on google and you will find your answer. -- hashao| 計利以聽，乃為之勢，以佐其外。勢者，因利而制權也。兵者，詭道 hashao| 也。故能而示之不能，用而示之不用，近而示之遠，遠而示之近。利 hashao| 而誘之，亂而取之，實而備之，強而避之，怒而撓之，卑而驕之，佚 hashao| 而勞之，親而離之，攻其無備，出其不意。此兵家之勝，不可先傳也。 -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED] -- | This message was re-posted from [email protected] | and converted from gb2312 to big5 by an automatic gateway.
