70.29.84.110.broad.xm.fj.dynamic.163data.com.cn 谁知道这是什么玩意？

gaozhan

70.29.84.110.broad.xm.fj.dynamic.163data.com.cn 谁知道这是什么玩意？
系统日志出现这样的一条玩意，百度不懂是啥啊
reverse mapping checking getaddrinfo for 70.29.84.110.broad.xm.fj.dynamic.163data.com.cn
[110.84.29.70] failed - POSSIBLE BREAK-IN ATTEMPT!

kernel

当使用SSH或SFTP连接某个host时，会有一系列的检查以保证你能够连接到你想连接的机器。其中一项是 “reverse lookup on the IP address”检查机器名称和你要连接的机器名称一致。否则，你会得到这样一个错误信息："reverse mapping checking getaddrinfo for ... POSSIBLE BREAK-IN ATTEMPT!".

kernel

Get POSSIBLE BREAK-IN ATTEMPT msg when i ssh to s server

when i ssh to a server,i get some message like this：

Address 192.168.5.12 maps to localhost, but this does not map back to the address – POSSIBLE BREAKIN ATTEMPT!

Solution：

Modify the "/etc/ssh/ssh_config" file at localhost

GSSAPIAuthentication no

你也可以通过修改配置文件来避免它的出现。

gaozhan

kernel 发表于 2015-7-2 17:50
Get POSSIBLE BREAK-IN ATTEMPT msg when i ssh to s server

when i ssh to a server,i get some message ...

那出现这个有没有安全影响？因为那个ＩＰ有加拿大和香港的。这机子还是刚上没几天？

1307077801

没问题