Problem of updating openssh-4.4p1 to openssh-5.5p1 with MAX_ALLOW_USERS option
Акулов Алексей
akulov-aa at ya.ru
Fri Dec 10 20:33:07 EST 2010
Hello!
We have the server with RHEL 5.5 (64-bit) and need to connect many parallel users over ssh (OpenSSH).
Usually we use openssh-4.4p1, builded from the sources with changed "servconf.h" file by this type:
#define MAX_ALLOW_USERS 10000 /* Max # users on allow list. */
#define MAX_DENY_USERS 10000 /* Max # users on deny list. */
#define MAX_ALLOW_GROUPS 10000 /* Max # groups on allow list. */
#define MAX_DENY_GROUPS 10000 /* Max # groups on deny list. */
and configured with this additional options:
# ./configure --prefix=/usr --sysconfdir=/etc/ssh --with-ipv4-default --with-pam --without-4in6 --without-zlib-version-check
# make
# make install.
After compiling and restarting service ssh (# service sshd condrestart) we had possibility to connect many parallel users to our server.
Now we want to update a version of OpenSSH from openssh-4.4p1 to openssh-5.5p1 but have a problem with the maximum quantity of line "AllowUsers" in file "/etc/ssh/sshd_config" after such operations as we had done with openssh-4.4p1.
# service sshd restart
Stopping sshd: [FAILED]
Starting sshd: /etc/ssh/sshd_config line 622: too many allow users. [FAILED]
What we do incorrect?
Thanks.
With the best regards, Alex.
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