Passwd For SSH
Oct 21, 2007
i been wonder today when i try to login my account @box by SSH 21
the password is changed i think!
and when i see the logs files there is no stranger ip!
and there is no email about changeing password for my mail!
i tried to log in by another account in my server and trying to su root permission by my password
but passwd incorect!
and i change the Mysql root passwd and same thing
my support they sleep before 3 days so i should to figure my problem alone...
how to reset my root ssh passwd?
am useing Plesk VPS ...
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Feb 14, 2008
i run one bad command :-(
chmod -R 644 /
and this command changes all permision in root server
have any away for fixed all permision in centos?
because all site take error
i use of cpanel
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Jul 20, 2008
Permission denied: /home/airtrade/etc/airtrade.com.tw/passwd passwd this is the error message obtained upon trying to create email accounts in cpanel.
the present permissions of the passwd file is 644 and ownership is username nobody i tried changing it to username.mail but still the same error
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Mar 4, 2007
root:x:0:0:root:/root:/bin/bash
bin:x:1:1:bin:/bin:/sbin/nologin
daemon:x:2:2:daemon:/sbin:/sbin/nologin
adm:x:3:4:adm:/var/adm:/sbin/nologin
lp:x:4:7:lp:/var/spool/lpd:/sbin/nologin
sync:x:5:0ync:/sbin:/bin/sync
shutdown:x:6:0hutdown:/sbin:/sbin/shutdown
halt:x:7:0:halt:/sbin:/sbin/halt
mail:x:8:12:mail:/var/spool/mail:/sbin/nologin
news:x:9:13:news:/etc/news:
uucp:x:10:14:uucp:/var/spool/uucp:/sbin/nologin
operator:x:11:0perator:/root:/sbin/nologin
games:x:12:100:games:/usr/games:/sbin/nologin
gopher:x:13:30:gopher:/var/gopher:/sbin/nologin
ftp:x:14:50:FTP User:/var/ftp:/sbin/nologin
nobody:x:99:99:Nobody:/:/sbin/nologin
dbus:x:81:81ystem message bus:/:/sbin/nologin
vcsa:x:69:69:virtual console memory owner:/dev:/sbin/nologin
rpm:x:37:37::/var/lib/rpm:/sbin/nologin
haldaemon:x:68:68:HAL daemon:/:/sbin/nologin
netdump:x:34:34:Network Crash Dump user:/var/crash:/bin/bash
nscd:x:28:28:NSCD Daemon:/:/sbin/nologin
sshd:x:74:74rivilege-separated SSH:/var/empty/sshd:/sbin/nologin
rpc:x:32:32ortmapper RPC user:/:/sbin/nologin
rpcuser:x:29:29:RPC Service User:/var/lib/nfs:/sbin/nologin
nfsnobody:x:65534:65534:Anonymous NFS User:/var/lib/nfs:/sbin/nologin
mailnull:x:47:47::/var/spool/mqueue:/sbin/nologin
smmsp:x:51:51::/var/spool/mqueue:/sbin/nologin
pcap:x:77:77::/var/arpwatch:/sbin/nologin
xfs:x:43:43:X Font Server:/etc/X11/fs:/sbin/nologin
htt:x:100:101:IIIMF Htt:/usr/lib/im:/sbin/nologin
canna:x:39:39:Canna Service User:/var/lib/canna:/sbin/nologin
wnn:x:49:49:Wnn Input Server:/var/lib/wnn:/sbin/nologin
named:x:25:25:Named:/var/named:/sbin/nologin
mysql:x:101:102:MySQL server:/var/lib/mysql:/bin/bash
mailman:x:32001:32001::/usr/local/cpanel/3rdparty/mailman:/bin/bash
cpanel:x:32002:32003::/usr/local/cpanel:/bin/bash
johnny:x:32003:32004::/home/dorn:/usr/local/cpanel/bin/noshell
angel:x:32004:32005::/home/angeliq:/bin/false
clamav:x:32015:32017:Clam AntiVirus:/home/clamav:/bin/false
I heard it may pose a security risk for those unneeded users. Which lines can I remove?
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Apr 5, 2009
I have been googling this for a while but am not getting anywhere. Curiosity has gotten the best of me, what are the passwd- and shadow- files used for? The date and time stamps for both the passwd- and passwd files are exactly the same, as are the shadow- and shadow files.
Are they automatically-created backups of the passwd and shadow files?
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Nov 3, 2007
how can i save /etc/passwd there is many linux order which show my users on server
such as :
cat /etc/passwd
cat /var/cpanel/acounting.log
ls -la /etc/valiases
ls /var/named
-----------------
and how can i disable the geting orders
such as :
wget
curl -o
lynx
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Sep 1, 2007
We have CentOS and WHM 11 on the server. Also we have PHP 4.4.4 and open base dir enabled on the server . We have a shared server with many website configured on it.
Now The user uses the following PHP code and can see the /etc/passwd file
=============================================
<?
echo ini_get("safe_mode");
echo ini_get("open_basedir");
include("/etc/passwd");
ini_restore("safe_mode");
ini_restore("open_basedir");
echo ini_get("safe_mode");
echo ini_get("open_basedir");
include("/etc/passwd");
?>
============================================
Now how to stop this. This is a security hole. how to stop this.
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Nov 8, 2008
It there any good way to stop using from reading /etc/passwd?
I have suPHP enabled and open_basedir enabled by WHM too. But it seems susphp ignores open_basedir restrictions?
Here is virtual host config:
<VirtualHost x.x.x.x:80>
<IfModule concurrent_php.c>
php4_admin_value open_basedir "/home/xxx/:/usr/lib/php:/usr/php4/lib/php:/usr/local/lib/php:/usr/local/php4/lib/p$
php5_admin_value open_basedir "/home/xxx/:/usr/lib/php:/usr/local/lib/php:/tmp"
</IfModule>
<IfModule !concurrent_php.c>
<IfModule mod_php4.c>
php_admin_value open_basedir "/home/xxx/:/usr/lib/php:/usr/php4/lib/php:/usr/local/lib/php:/usr/local/php4/li$
</IfModule>
<IfModule mod_php5.c>
php_admin_value open_basedir "/home/xxx/:/usr/lib/php:/usr/local/lib/php:/tmp"
</IfModule>
<IfModule sapi_apache2.c>
php_admin_value open_basedir "/home/xxx/:/usr/lib/php:/usr/php4/lib/php:/usr/local/lib/php:/usr/local/php4/li$
</IfModule>
</IfModule>
ServerName xxx.com
ServerAlias www.xxx.com
DocumentRoot /home/xxx/public_html
ServerAdmin webmaster@xxx.com
UseCanonicalName Off
CustomLog /usr/local/apache/domlogs/xxx.com combined
CustomLog /usr/local/apache/domlogs/xxx.com-bytes_log "%{%s}t %I .
%{%s}t %O ."
## User xxx # Needed for Cpanel::ApacheConf
<IfModule mod_suphp.c>
suPHP_UserGroup xxx xxx
</IfModule>
<IfModule !mod_disable_suexec.c>
SuexecUserGroup xxx xxx
</IfModule>
ScriptAlias /cgi-bin/ /home/xxx/public_html/cgi-bin/
DocumentRoot /home/xxx/public_html
ServerAdmin webmaster@xxx.com
UseCanonicalName Off
CustomLog /usr/local/apache/domlogs/xxx.com combined
CustomLog /usr/local/apache/domlogs/xxx.com-bytes_log "%{%s}t %I .
%{%s}t %O ."
## User xxx # Needed for Cpanel::ApacheConf
<IfModule mod_suphp.c>
suPHP_UserGroup xxx xxx
</IfModule>
<IfModule !mod_disable_suexec.c>
SuexecUserGroup xxx xxx
</IfModule>
ScriptAlias /cgi-bin/ /home/xxx/public_html/cgi-bin/
# To customize this VirtualHost use an include file at the following location
# Include "/usr/local/apache/conf/userdata/std/2/xxx/xxx.com/*.conf"
</VirtualHost>
Scripts are running with user's UID, and that is fine, but it can still read /etc/passwd file for example.
How to fix that? Is it really open_basedir value is ignored by susphp? It works fine if I remove suphp and run scripts with nobody uid.
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Mar 8, 2009
I set up a new account for a client using my reseller. He went to change the password and he is getting this error
There was an error manipulating the password file. This generally means you entered your old password incorrectly.
Changing password for user xxxxx.
Changing password for xxxxx
(current) UNIX password:
passwd: Authentication token manipulation error
The thing is, he is putting the password in correct. I made sure of that
I am able to change it in whm and i am able to log in to the account, i just cant change the password from cpanel
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Dec 27, 2007
We've had a customer do something strange to their server. They were playing with /etc/passwd or /etc/shadow or similar (not quite sure of the details) but the upshot is booting the server into single user and trying to reset the password via passwd gives
passwd root (and any user)
passwd: Authentication token manipulation error
So far I've
Replaced /etc/passwd* and /etc/shadow* with a copy from another server
Turned off SeLinux
/etc/pam.d/passwd is fine
Root file system is r/w
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Jul 18, 2007
I were seeing c99.php source code to know how it gets /etc/passwd file. it simply uses fopen() for this goal but I think fopen() is needed and I don't like it to be disabled in disabled_functions. I wonder how can I disable just fopen("/etc/passwd","r"); without doing any restriction to fopen function at all
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