求助:putty失去响应,

luojm_24680

当使用putty的SSH连接linux,如果有10分钟左右没有操作,就会失去响应,需要把PUTTY关掉,重新登录linux是怎么回事,是PUTTY的问题,还是LINUX的问题,怎么解决,谢谢!

platinum

贴一下 sysctl -a|grep tcp 的结果

luojm_24680

[root@sushe ~]# sysctl -a|grep tcp
net.ipv4.tcp_timestamps = 1
net.ipv4.tcp_window_scaling = 1
net.ipv4.tcp_sack = 1
net.ipv4.tcp_retrans_collapse = 1
net.ipv4.tcp_syn_retries = 5
net.ipv4.tcp_synack_retries = 5
net.ipv4.tcp_max_orphans = 4096
net.ipv4.tcp_max_tw_buckets = 180000
net.ipv4.tcp_keepalive_time = 7200
net.ipv4.tcp_keepalive_probes = 9
net.ipv4.tcp_keepalive_intvl = 75
net.ipv4.tcp_retries1 = 3
net.ipv4.tcp_retries2 = 15
net.ipv4.tcp_fin_timeout = 60
net.ipv4.tcp_syncookies = 1
net.ipv4.tcp_tw_recycle = 0
net.ipv4.tcp_abort_on_overflow = 0
net.ipv4.tcp_stdurg = 0
net.ipv4.tcp_rfc1337 = 0
net.ipv4.tcp_max_syn_backlog = 1024
net.ipv4.tcp_orphan_retries = 0
net.ipv4.tcp_fack = 1
net.ipv4.tcp_reordering = 3
net.ipv4.tcp_ecn = 0
net.ipv4.tcp_dsack = 1
net.ipv4.tcp_mem = 23814        31752   47628
net.ipv4.tcp_wmem = 4096        16384   1016064
net.ipv4.tcp_rmem = 4096        87380   1016064
net.ipv4.tcp_app_win = 31
net.ipv4.tcp_adv_win_scale = 2
net.ipv4.tcp_tw_reuse = 0
net.ipv4.tcp_frto = 0
net.ipv4.tcp_frto_response = 0
net.ipv4.tcp_low_latency = 0
net.ipv4.tcp_no_metrics_save = 0
net.ipv4.tcp_moderate_rcvbuf = 1
net.ipv4.tcp_tso_win_divisor = 3
net.ipv4.tcp_congestion_control = bic
net.ipv4.tcp_abc = 0
net.ipv4.tcp_mtu_probing = 0
net.ipv4.tcp_base_mss = 512
net.ipv4.tcp_workaround_signed_windows = 0
net.ipv4.tcp_dma_copybreak = 4096
net.ipv4.tcp_slow_start_after_idle = 1
net.ipv4.tcp_available_congestion_control = bic reno
net.ipv4.tcp_allowed_congestion_control = bic reno
net.ipv4.tcp_max_ssthresh = 0
sunrpc.tcp_slot_table_entries = 16
请帮忙分析,谢谢!

jk0wg

/etc/ssh/sshd_config

ClientAliveInterval=60

#表示每一分钟，sshd都和ssh client打个招呼，看看它还在不在.


ClientAliveCountMax 15

#那么，将在15分钟之后断开，其他以此类推

[ 本帖最后由 jk0wg 于 2007-12-5 20:37 编辑 ]

luojm_24680

谢谢,那么我应该改哪一个文件的哪一项才能解决这个问题呀

jk0wg

原帖由 luojm_24680 于 2007-12-6 09:09 发表
谢谢,那么我应该改哪一个文件的哪一项才能解决这个问题呀

/etc/ssh/sshd_config

luojm_24680

谢谢,我已经修改完成,进一步观察效果!非常感谢!

luojm_24680

/etc/ssh/sshd_config

ClientAliveInterval=60

我把上面这一项加上了,还是不行,过一会还会失去响应,请再帮忙分析

luojm_24680

请大家踊跃解决问题,是我的问题太特殊吗

modemTNT

原帖由 luojm_24680 于 2007-12-7 12:42 发表
/etc/ssh/sshd_config

ClientAliveInterval=60

我把上面这一项加上了,还是不行,过一会还会失去响应,请再帮忙分析

ClientAliveInterval=60是60秒。。。。可以计算着给大一点。