big problem ! help me

hi
i'm new here and i really need help

i got 1 server and my friend configed it and it working fine
however there're problems with connection . when i try to connect httpd via port 80, it good but after 5-15 min then i can't connect to port 80 ( my IP ) it happen same with all my friend. i dont know what happen now big problem ! help me i tried PS -aux and i saw this result


USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
root 1 0.0 0.0 1308 444 ? S 12:40 0:03 init
root 2 0.0 0.0 0 0 ? SW 12:40 0:00 [keventd]
root 3 0.0 0.0 0 0 ? SW 12:40 0:00 [kapmd]
root 4 0.0 0.0 0 0 ? SWN 12:40 0:01 [ksoftirqd_CPU0]
root 5 0.0 0.0 0 0 ? SW 12:40 0:00 [kswapd]
root 6 0.4 0.0 0 0 ? SW 12:40 0:24 [kscand]
root 7 0.0 0.0 0 0 ? SW 12:40 0:00 [bdflush]
root 8 0.0 0.0 0 0 ? SW 12:40 0:00 [kupdated]
root 9 0.0 0.0 0 0 ? SW< 12:40 0:00 [mdrecoveryd]
root 13 0.0 0.0 0 0 ? SW 12:40 0:00 [kjournald]
root 128 0.0 0.0 0 0 ? SW 12:41 0:00 [kjournald]
root 422 0.0 0.0 0 0 ? SW 12:41 0:00 [eth0]
root 496 0.0 0.0 1364 504 ? S 12:41 0:00 syslogd -m 0
root 501 0.0 0.0 1304 368 ? S 12:41 0:00 klogd -x
ntp 570 0.0 0.1 1824 1820 ? SL 12:41 0:00 ntpd -U ntp -g
root 648 0.0 0.0 2088 568 ? S 12:41 0:00 xinetd -stayalive -pidfile /var/run/xinetd.pid
root 654 0.0 0.0 3412 4 ? S 12:41 0:00 sbadm -f /etc/ssh/.sbadm_config
root 823 0.0 0.4 18468 4364 ? S 12:41 0:00 /usr/bin/spamd -d -c -a -m5 -H
root 994 0.0 0.0 1480 184 ? S 12:41 0:00 crond
daemon 1030 0.0 0.0 1344 508 ? S 12:41 0:00 /usr/sbin/atd
root 1037 0.0 0.0 1284 68 tty1 S 12:41 0:00 /sbin/mingetty tty1
root 1038 0.0 0.0 1284 68 tty2 S 12:41 0:00 /sbin/mingetty tty2
root 1039 0.0 0.0 1284 68 tty3 S 12:41 0:00 /sbin/mingetty tty3
root 1040 0.0 0.0 1284 68 tty4 S 12:41 0:00 /sbin/mingetty tty4
root 1041 0.0 0.0 1284 68 tty5 S 12:41 0:00 /sbin/mingetty tty5
root 1042 0.0 0.0 1284 68 tty6 S 12:41 0:00 /sbin/mingetty tty6
root 6707 0.0 0.3 4980 3832 ? S 13:29 0:00 /usr/bin/perl /usr/libexec/webmin/miniserv.pl /etc/webmin/mini
root 8532 0.0 0.1 3416 1476 ? S 13:56 0:00 /usr/sbin/sshd
root 8538 0.0 0.2 6624 2116 ? S 13:57 0:00 sshd: root@pts/1
root 8541 0.0 0.1 2408 1300 pts/1 S 13:57 0:00 -bash
named 8967 0.0 0.2 10584 2640 ? S 14:02 0:00 named -u named -c /etc/named.conf -u named -t /var/named/run-r
named 8969 0.0 0.2 10584 2640 ? S 14:02 0:00 named -u named -c /etc/named.conf -u named -t /var/named/run-r
named 8970 0.0 0.2 10584 2640 ? S 14:02 0:00 named -u named -c /etc/named.conf -u named -t /var/named/run-r
named 8971 0.0 0.2 10584 2640 ? S 14:02 0:00 named -u named -c /etc/named.conf -u named -t /var/named/run-r
named 8972 0.0 0.2 10584 2640 ? S 14:02 0:00 named -u named -c /etc/named.conf -u named -t /var/named/run-r
root 9001 0.0 0.0 2172 1008 pts/1 S 14:02 0:00 /bin/sh /usr/bin/safe_mysqld --defaults-file=/etc/my.cnf
qmails 9036 0.0 0.0 1344 372 pts/1 S 14:02 0:00 qmail-send
qmaill 9038 0.0 0.0 1300 416 pts/1 S 14:02 0:00 splogger qmail
root 9039 0.0 0.0 1320 316 pts/1 S 14:02 0:00 qmail-lspawn ./Maildir/
qmailr 9040 0.0 0.0 1316 316 pts/1 S 14:02 0:00 qmail-rspawn
mysql 9046 0.0 0.5 28704 5332 pts/1 S 14:02 0:00 /usr/libexec/mysqld --defaults-file=/etc/my.cnf --basedir=/usr
mysql 9048 0.0 0.5 28704 5332 pts/1 S 14:02 0:00 /usr/libexec/mysqld --defaults-file=/etc/my.cnf --basedir=/usr
mysql 9049 0.0 0.5 28704 5332 pts/1 S 14:02 0:00 /usr/libexec/mysqld --defaults-file=/etc/my.cnf --basedir=/usr
mysql 9050 0.0 0.5 28704 5332 pts/1 S 14:02 0:00 /usr/libexec/mysqld --defaults-file=/etc/my.cnf --basedir=/usr
qmailq 9051 0.0 0.0 1288 312 pts/1 S 14:02 0:00 qmail-clean
root 9103 0.0 0.0 1508 596 ? S 14:02 0:00 /usr/lib/courier-imap/libexec/couriertcpd -address=0 -stderrlo
root 9105 0.0 0.0 1292 424 ? S 14:02 0:00 /usr/lib/courier-imap/libexec/courierlogger imapd
root 9114 0.0 0.0 1508 588 ? S 14:02 0:00 /usr/lib/courier-imap/libexec/couriertcpd -address=0 -stderrlo
root 9116 0.0 0.0 1284 316 ? S 14:02 0:00 /usr/lib/courier-imap/libexec/courierlogger imapd-ssl
root 9123 0.0 0.0 1500 584 ? S 14:02 0:00 /usr/lib/courier-imap/libexec/couriertcpd -address=0 -stderrlo
root 9125 0.0 0.0 1276 312 ? S 14:02 0:00 /usr/lib/courier-imap/libexec/courierlogger pop3d
root 9133 0.0 0.0 1504 588 ? S 14:02 0:00 /usr/lib/courier-imap/libexec/couriertcpd -address=0 -stderrlo
root 9135 0.0 0.0 1276 312 ? S 14:02 0:00 /usr/lib/courier-imap/libexec/courierlogger pop3d-ssl
root 9162 0.0 0.1 2700 1476 ? S 14:02 0:00 /usr/sbin/stunnel -d 30000 -p /usr/local/psa/admin/conf/httpsd
root 9250 0.0 1.2 19080 12244 ? S 14:03 0:00 /usr/sbin/httpd -DHAVE_ACCESS -DHAVE_PROXY -DHAVE_AUTH_ANON -D
apache 9254 0.0 1.4 21188 14960 ? S 14:03 0:00 /usr/sbin/httpd -DHAVE_ACCESS -DHAVE_PROXY -DHAVE_AUTH_ANON -D
apache 9257 0.0 1.3 19812 13516 ? S 14:03 0:00 /usr/sbin/httpd -DHAVE_ACCESS -DHAVE_PROXY -DHAVE_AUTH_ANON -D
apache 9258 0.0 1.3 19884 13644 ? S 14:03 0:00 /usr/sbin/httpd -DHAVE_ACCESS -DHAVE_PROXY -DHAVE_AUTH_ANON -D
apache 9260 0.0 1.3 19688 13392 ? S 14:03 0:00 /usr/sbin/httpd -DHAVE_ACCESS -DHAVE_PROXY -DHAVE_AUTH_ANON -D
apache 9261 0.0 1.2 19356 12968 ? S 14:03 0:00 /usr/sbin/httpd -DHAVE_ACCESS -DHAVE_PROXY -DHAVE_AUTH_ANON -D
root 9273 0.0 0.3 6692 3472 ? S 14:03 0:00 /usr/local/psa/admin/bin/httpsd
psaadm 9275 0.0 0.3 6732 3500 ? S 14:03 0:00 /usr/local/psa/admin/bin/httpsd
psaadm 9276 0.0 0.3 6732 3500 ? S 14:03 0:00 /usr/local/psa/admin/bin/httpsd
psaadm 9277 0.0 0.3 6732 3500 ? S 14:03 0:00 /usr/local/psa/admin/bin/httpsd
psaadm 9278 0.0 0.3 6732 3500 ? S 14:03 0:00 /usr/local/psa/admin/bin/httpsd
psaadm 9279 0.0 0.3 6732 3500 ? S 14:03 0:00 /usr/local/psa/admin/bin/httpsd
apache 9288 0.0 1.5 21200 15328 ? S 14:03 0:00 /usr/sbin/httpd -DHAVE_ACCESS -DHAVE_PROXY -DHAVE_AUTH_ANON -D
apache 9293 0.0 1.3 19984 13620 ? S 14:03 0:00 /usr/sbin/httpd -DHAVE_ACCESS -DHAVE_PROXY -DHAVE_AUTH_ANON -D
apache 9294 0.0 1.3 19828 13592 ? S 14:03 0:00 /usr/sbin/httpd -DHAVE_ACCESS -DHAVE_PROXY -DHAVE_AUTH_ANON -D
apache 9295 0.0 1.3 19800 13424 ? S 14:03 0:00 /usr/sbin/httpd -DHAVE_ACCESS -DHAVE_PROXY -DHAVE_AUTH_ANON -D
qmaild 9359 0.0 0.0 2312 580 ? S 14:06 0:00 /var/qmail/bin/qmail-smtpd /var/qmail/bin/smtp_auth /var/qmail
qmailq 9363 0.0 0.0 0 0 ? Z 14:06 0:00 [qmail-scanner-q <defunct>]
apache 9422 0.0 1.2 19356 12972 ? S 14:08 0:00 /usr/sbin/httpd -DHAVE_ACCESS -DHAVE_PROXY -DHAVE_AUTH_ANON -D
qmaild 9460 0.0 0.0 2308 580 ? S 14:09 0:00 /var/qmail/bin/qmail-smtpd /var/qmail/bin/smtp_auth /var/qmail
qmailq 9478 0.0 0.0 0 0 ? Z 14:10 0:00 [qmail-scanner-q <defunct>]
root 9551 0.0 0.0 2720 816 pts/1 R 14:12 0:00 ps -aux




/usr/sbin/httpd -DHAVE_ACCESS -DHAVE_PROXY -DHAVE_AUTH_ANON -D <== i think that's problem cause when i fake IP then connection ESTABLISHED
what happen here ??? plzz help me

 

 

 

 

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