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  #1  
Old 09-11-2012, 08:10 AM
adnet adnet is offline
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Default Ping ok 503 error
Is this from the attack or it is something wrong not working?
Ping to the domain was perfect.

I am under attack syn flood attack

Blocked: Temporary Block

Sample of block hits:
Sep 11 18:09:51 sexy kernel: Firewall: *SYNFLOOD Blocked* IN=eth0 OUT= MAC=00:25:90:4e:30:3e:10:8c:cf:1d:ed:c1:08:00 SRC=49.244.113.248 DST=199.189.111.196 LEN=48 TOS=0x00 PREC=0x00 TTL=104 ID=1416 DF PROTO=TCP SPT=10191 DPT=80 WINDOW=65535 RES=0x00 SYN URGP=0
Sep 11 18:09:51 sexy kernel: Firewall: *SYNFLOOD Blocked* IN=eth0 OUT= MAC=00:25:90:4e:30:3e:40:55:39:06:f3:41:08:00 SRC=49.244.113.248 DST=199.189.111.196 LEN=48 TOS=0x00 PREC=0x00 TTL=104 ID=1420 DF PROTO=TCP SPT=10226 DPT=80 WINDOW=65535 RES=0x00 SYN URGP=0
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  #2  
Old 09-11-2012, 10:22 AM
webizen webizen is offline
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Posts: 2,337
Quote:
Originally Posted by adnet View Post
Is this from the attack or it is something wrong not working?
Ping to the domain was perfect.

I am under attack syn flood attack

Blocked: Temporary Block

Sample of block hits:
Sep 11 18:09:51 sexy kernel: Firewall: *SYNFLOOD Blocked* IN=eth0 OUT= MAC=00:25:90:4e:30:3e:10:8c:cf:1d:ed:c1:08:00 SRC=49.244.113.248 DST=199.189.111.196 LEN=48 TOS=0x00 PREC=0x00 TTL=104 ID=1416 DF PROTO=TCP SPT=10191 DPT=80 WINDOW=65535 RES=0x00 SYN URGP=0
Sep 11 18:09:51 sexy kernel: Firewall: *SYNFLOOD Blocked* IN=eth0 OUT= MAC=00:25:90:4e:30:3e:40:55:39:06:f3:41:08:00 SRC=49.244.113.248 DST=199.189.111.196 LEN=48 TOS=0x00 PREC=0x00 TTL=104 ID=1420 DF PROTO=TCP SPT=10226 DPT=80 WINDOW=65535 RES=0x00 SYN URGP=0
This is from your firewall (iptables) when its "SYNFLOOD" rule is triggered and logged.
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  #3  
Old 09-11-2012, 10:34 AM
adnet adnet is offline
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Join Date: Aug 2010
Posts: 20
i know my friend has nothing to do but it was related
what about these ?
Ping ok 503 error
Is this from the attack or it is something wrong not working?
Ping to the domain was perfect.
why i was getting 503 error ?
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  #4  
Old 09-11-2012, 10:56 AM
webizen webizen is offline
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what's the domain in question? that src ip is not our proxy.
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  #5  
Old 09-11-2012, 11:15 AM
adnet adnet is offline
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YOUR PROXY WAS 68.68.26.33
and my domain
www.example.com
Last edited by webizen; 09-11-2012 at 12:53 PM..
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  #6  
Old 09-11-2012, 12:53 PM
webizen webizen is offline
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Join Date: Oct 2010
Posts: 2,337
Quote:
Originally Posted by adnet View Post
YOUR PROXY WAS 68.68.26.33
and my domain
www.example.com
Seems your backend server blocks proxy.
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  #7  
Old 09-11-2012, 01:01 PM
adnet adnet is offline
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any instructions what to do in this case ?
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  #8  
Old 09-11-2012, 02:44 PM
webizen webizen is offline
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Join Date: Oct 2010
Posts: 2,337
you need to open firewall (iptables) to allow proxy access to your backend server.
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  #9  
Old 09-12-2012, 12:50 AM
adnet adnet is offline
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Join Date: Aug 2010
Posts: 20
I did but it was still 503,the first thing that i did.
Last edited by adnet; 09-12-2012 at 12:58 AM..
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  #10  
Old 09-12-2012, 02:43 PM
webizen webizen is offline
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looks ok now.
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