升级openssh 之后scp: Connection closed 问题记录过程

admin

scp: Connection closed问题记录过程

+ D, e0 t) J) l# K再传输文件时，提示错误。这个问题挺奇怪的。
2 n; W/ J* T6 h日志也没有。
修改/etc/hosts.allow文件
; r3 K7 X0 F/ N; vsshd:ALL
重启sshd服务，问题依旧。



! V  n2 C  Z% p& R  a+ lAug 25 10:36:01server_02 systemd: Started Session 171182 of user root.
Aug 25 10:36:18 server_02 systemd: Started Session 171183 of user devops.
Aug 25 10:36:18 server_02 systemd-logind: New session 171183 of user devops.
2 A) M8 q: N/ S* v' OAug 25 10:36:18 server_02 systemd-logind: Removed session 171183.

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9 U, M* T) D7 L, }( NAug 25 10:36:50 server_02 systemd-logind: New session 171184 of user devops.
) t8 i" @1 V% E: T. o+ c4 U8 C* xAug 25 10:36:50 server_02 systemd: Started Session 171184 of user devops.
, f- a. _; f+ S, i2 x/ @Aug 25 10:36:50 server_02 systemd-logind: Removed session 171184.
易陆发现bbs168x
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admin

再看secure日志：
Aug 25 10:40:00 server_02 sshd[37895]: Accepted password for devo  from 12.4.21.6 port 56366 ssh2
Aug 25 10:40:00 server_02 sshd[37895]: pam_unix(sshd:session): session opened for user devo by (uid=0)
Aug 25 10:40:00 server_02 sshd[38316]: Received disconnect from 12.4.21.6 port 56366:11: disconnected by user
Aug 25 10:40:00 server_02 sshd[38316]: Disconnected from user devo 12.4.21.6 port 56366
Aug 25 10:40:00 server_02 sshd[37895]: pam_unix(sshd:session): session closed for user devo

admin

最后能解决办法的是，通过重新安装openssh-server安装包。再次编译的时候，不添加--sysconfig=/etc/ssh   这个参数即可。

./configure --prefix=/usr/local/openssh --with-ssl-dir=/usr/local/openssl/
保持这样即可。
& I3 e" M" x2 J8 _% J不再执行rpm -e openssh-server这个操作

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4 w( R1 Q/ ^6 q: ~3 T; |8 S后面操作这样即可；
#copy file
\cp -fp  /etc/ssh-bak/sshd_config /usr/local/openssh/etc/sshd_config
ln -sf /usr/local/openssh/etc/sshd_config /etc/ssh/sshd_config
- U2 N9 `. w3 D" @$ T3 y. O* n#\cp -pf /etc/pam.d/sshd-bak /etc/pam.d/sshd
3 @* q0 }7 q8 D, @mv /usr/sbin/sshd /usr/sbin/sshd-bak
mv /usr/bin/sshd /usr/bin/sshd-bak
3 k* p+ B- W2 U% Y; Q+ F' a#cp /usr/local/openssh/sbin/sshd /usr/sbin/sshd
% z: Z1 Q1 O8 A" p0 b* C7 p- Nmv  /usr/bin/ssh-keygen /usr/bin/ssh-keygen.bak
cp /usr/local/openssh/bin/sshd /usr/bin/sshd
) ^2 n) _, |) |4 e6 m* gcp /usr/local/openssh/bin/sshd /usr/sbin/sshd
5 R. U9 g8 m# e- tmv /etc/ssh/ssh_host_ecdsa_key.pub /etc/ssh/ssh_host_ecdsa_key.pub.bak
cp /usr/local/openssh/etc/ssh_host_ecdsa_key.pub /etc/ssh/ssh_host_ecdsa_key.pub

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问题解决。scp即可正常使用。 来自易陆发现bbs168x
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