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

admin

scp: Connection closed问题记录过程

* M2 w; p; z; v再传输文件时，提示错误。这个问题挺奇怪的。
日志也没有。
* c$ ~3 S/ `5 L2 j: t6 x8 u修改/etc/hosts.allow文件
. R7 L6 Y7 s1 i4 P/ u0 L1 g  xsshd:ALL
重启sshd服务，问题依旧。
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  a) b! j0 ~% R6 D% V, PAug 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.



Aug 25 10:36:50 server_02 systemd-logind: New session 171184 of user devops.
Aug 25 10:36:50 server_02 systemd: Started Session 171184 of user devops.
3 ~% `- q- z7 _5 q7 ?+ @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：
# m8 x. O; r! {" f* p0 jAug 25 10:40:00 server_02 sshd[37895]: Accepted password for devo  from 12.4.21.6 port 56366 ssh2
4 d$ o4 h/ q% u4 _( QAug 25 10:40:00 server_02 sshd[37895]: pam_unix(sshd:session): session opened for user devo by (uid=0)
6 l/ z4 A  I  o# _( CAug 25 10:40:00 server_02 sshd[38316]: Received disconnect from 12.4.21.6 port 56366:11: disconnected by user
) d& d7 X1 L, X% V' D) L3 Y, MAug 25 10:40:00 server_02 sshd[38316]: Disconnected from user devo 12.4.21.6 port 56366
- V% L) y) a5 v$ L# m7 L5 sAug 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。
% n" e6 W$ k( _2 G5 Y" r不再执行rpm -e openssh-server这个操作


% U* y% J8 F3 H9 v% p& V# p后面操作这样即可；
#copy file
\cp -fp  /etc/ssh-bak/sshd_config /usr/local/openssh/etc/sshd_config
$ a# E+ i; o: u4 b+ O6 s* Aln -sf /usr/local/openssh/etc/sshd_config /etc/ssh/sshd_config
" {4 L, _1 r# w; H! Y7 j#\cp -pf /etc/pam.d/sshd-bak /etc/pam.d/sshd
! I$ v6 U2 N, a9 p. ]mv /usr/sbin/sshd /usr/sbin/sshd-bak
- ^6 D5 [# h2 r1 _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
8 n. f& O* B/ qcp /usr/local/openssh/bin/sshd /usr/bin/sshd
' p& q7 k! z( acp /usr/local/openssh/bin/sshd /usr/sbin/sshd
mv /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


" ]7 x# a2 }# T# V  n9 j. l  L/ p! [问题解决。scp即可正常使用。 来自易陆发现bbs168x
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