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

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scp: Connection closed问题记录过程

: J0 K5 f( t5 M& W再传输文件时，提示错误。这个问题挺奇怪的。
日志也没有。
* ~5 s6 y8 `) U) h  j) A! H0 R修改/etc/hosts.allow文件
sshd:ALL
9 l0 X% ]* v; b+ O' e/ R1 }重启sshd服务，问题依旧。



Aug 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.
Aug 25 10:36:18 server_02 systemd-logind: Removed session 171183.
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! q, g) G( L; r) s) C, \Aug 25 10:36:50 server_02 systemd-logind: New session 171184 of user devops.
1 m) G- P% h; r. RAug 25 10:36:50 server_02 systemd: Started Session 171184 of user devops.
Aug 25 10:36:50 server_02 systemd-logind: Removed session 171184.
$ [# L* ~  W9 _& W* X易陆发现bbs168x

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admin

再看secure日志：
1 Q, k% u7 |; \, X6 Q. i! NAug 25 10:40:00 server_02 sshd[37895]: Accepted password for devo  from 12.4.21.6 port 56366 ssh2
* f' D( Y" ^- C) I# B2 e1 IAug 25 10:40:00 server_02 sshd[37895]: pam_unix(sshd:session): session opened for user devo by (uid=0)
, n& [& r& B2 ^- u  Z, BAug 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
: X! e7 Q: i4 f5 @, e* n7 HAug 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。

9 D2 R5 c0 T7 q- k: W/ |./configure --prefix=/usr/local/openssh --with-ssl-dir=/usr/local/openssl/
保持这样即可。
1 O6 j" i+ j  K! [/ X0 P& n不再执行rpm -e openssh-server这个操作


后面操作这样即可；
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\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
4 E, Y2 w( l: Y9 l$ I0 g; N( n: P#\cp -pf /etc/pam.d/sshd-bak /etc/pam.d/sshd
mv /usr/sbin/sshd /usr/sbin/sshd-bak
mv /usr/bin/sshd /usr/bin/sshd-bak
#cp /usr/local/openssh/sbin/sshd /usr/sbin/sshd
mv  /usr/bin/ssh-keygen /usr/bin/ssh-keygen.bak
+ ?9 O% M2 N; v7 I4 kcp /usr/local/openssh/bin/sshd /usr/bin/sshd
cp /usr/local/openssh/bin/sshd /usr/sbin/sshd
5 H. f, c5 F% O8 wmv /etc/ssh/ssh_host_ecdsa_key.pub /etc/ssh/ssh_host_ecdsa_key.pub.bak
. b9 @/ U3 L: E  tcp /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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