Is you mean below lines in "httpd.conf" file?
LogFormat "%h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-Agent}i\""
combined
LogFormat "%h %l %u %t \"%r\" %>s %b" common
LogFormat "%h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-Agent}i\" %I %O"
combinedio
On Thursday, January 14,
ect: Re: [users@httpd] Apache in under attack. [EXT]
On 14 Jan 2021, at 04:48, Jason Long wrote:
> Server have 4 CPU cores and 6GB of RAM.
> I pasted Apache configuration. In your opinion, which parts of servers must
> be examine?
Throwing more resources at the problem is not l
On 14 Jan 2021, at 04:48, Jason Long wrote:
> Server have 4 CPU cores and 6GB of RAM.
> I pasted Apache configuration. In your opinion, which parts of servers must
> be examine?
Throwing more resources at the problem is not likely to fix the problem. You
need to figure out what is going on
You should look at adding the %D and %T format strings to your httpd
access log configuration so that you can capture the amount of time
spent in delivery of a resource.
> Date: Thursday, January 14, 2021 11:48:55 +
> From: Jason Long
>
> Server have 4 CPU cores and 6GB of RAM.
> I pasted
Server have 4 CPU cores and 6GB of RAM.
I pasted Apache configuration. In your opinion, which parts of servers must be
examine?
On Wednesday, January 13, 2021, 08:30:58 PM GMT+3:30, @lbutlr
wrote:
> On 12 Jan 2021, at 01:52, Jason Long wrote:
>
> It show me:
>
> 13180 X.X.X.X
>
> On 12 Jan 2021, at 01:52, Jason Long wrote:
>
> It show me:
>
> 13180 X.X.X.X
>1127 X.X.X.X
> 346 X.X.X.X
> 294 X.X.X.X
> 241 X.X.X.X
> 169 X.X.X.X
> 168 X.X.X.X
> 157 X.X.X.X
> 155 X.X.X.X
> 153 X.X.X.X
Your server would not be getting bogged down
ly have about 20-30 modules running.
>
> -Original Message-
> From: Jason Long
> Sent: 12 January 2021 11:14
> To: users@httpd.apache.org
> Subject: Re: [users@httpd] Aw: Re: [users@httpd] Apache in under
> attack. [EXT]
>
> It show me:
>
> # netstat -n
On Wednesday 13 January 2021 at 10:59:12, Andrea Croci wrote:
> Hi James,
>
> what was the command you used to see that apache uses ~1GB of memory? I
> deleted the mail and that was a bad idea: there were some very useful
> commands you were giving us here.
You can view the entire thread
2021 11:14
To: users@httpd.apache.org
Subject: Re: [users@httpd] Aw: Re: [users@httpd] Apache in under attack. [EXT]
It show me:
# netstat -n | grep ':80 ' | grep -v TIME_WAIT
tcp6 0 0 X.X.X.X:80 X.X.X.X:16126 FIN_WAIT2
tcp6 0 0 X.X.X.X:80 X.X.X.X:64595
On Tuesday 12 January 2021 05:01:09 Jason Long wrote:
> I did below rule, but not worked:
> # iptables -A INPUT -p tcp --syn --dport 80 -m connlimit
> --connlimit-above 20 -j REJECT --reject-with tcp-reset
Lessons learned while trying to stop the &^$>#@# bots from mirroring my
content on a 10
sage-
From: Jason Long
Sent: 12 January 2021 11:51
To: users@httpd.apache.org
Subject: Re: [users@httpd] Aw: Re: [users@httpd] Apache in under attack. [EXT]
Output is:
# netstat -n | grep ':80 ' | wc
12 72 960
> How to disable modules? It just a WordPress website.
On
To: users@httpd.apache.org
Subject: Re: [users@httpd] Aw: Re: [users@httpd] Apache in under attack. [EXT]
It show me:
# netstat -n | grep ':80 ' | grep -v TIME_WAIT
tcp6 0 0 X.X.X.X:80 X.X.X.X:16126 FIN_WAIT2
tcp6 0 0 X.X.X.X:80 X.X.X.X:64595 FIN_WAIT2
modules running.
-Original Message-
From: Jason Long
Sent: 12 January 2021 11:14
To: users@httpd.apache.org
Subject: Re: [users@httpd] Aw: Re: [users@httpd] Apache in under attack. [EXT]
It show me:
# netstat -n | grep ':80 ' | grep -v TIME_WAIT
tcp6 0 0 X.X.X.X:80 X.X.X.X
10:33
To: users@httpd.apache.org
Subject: Re: [users@httpd] Aw: Re: [users@httpd] Apache in under attack. [EXT]
Output is:
1688 323400 80850 0 /usr/sbin/httpd -DFOREGROUND
6384 517620 129405 0 /usr/sbin/httpd -DFOREGROUND
1163280 3898288 974572 63 /usr/sbin/httpd -DFOREGROUND
1250040 3912624
: 12 January 2021 10:33
To: users@httpd.apache.org
Subject: Re: [users@httpd] Aw: Re: [users@httpd] Apache in under attack. [EXT]
Output is:
1688 323400 80850 0 /usr/sbin/httpd -DFOREGROUND
6384 517620 129405 0 /usr/sbin/httpd -DFOREGROUND
1163280 3898288 974572 63 /usr/sbin/httpd
January 2021 10:06
To: users@httpd.apache.org
Subject: Re: [users@httpd] Apache in under attack. [EXT]
Modules are:
https://urldefense.proofpoint.com/v2/url?u=https-3A__paste.ubuntu.com_p_DJSWpSP7xZ_=DwIFaQ=D7ByGjS34AllFgecYw0iC6Zq7qlm8uclZFI0SqQnqBo=oH2yp0ge1ecj4oDX0XM7vQ=puY
] Aw: Re: [users@httpd] Apache in under attack. [EXT]
I did below rule, but not worked:
# iptables -A INPUT -p tcp --syn --dport 80 -m connlimit --connlimit-above 20
-j REJECT --reject-with tcp-reset
On Tuesday, January 12, 2021, 01:15:40 PM GMT+3:30, Florian Schwalm
wrote:
It can
Subject: Re: [users@httpd] Apache in under attack. [EXT]
System administrators doing it manually???
On Tuesday, January 12, 2021, 01:28:50 PM GMT+3:30, James Smith
wrote:
Rate limiting may work - but the rate may be just slightly to slow for your
setting - manually doing it is a good
Sometimes we are attacked from a farm of machines so it may have to be an ip
range that is the issue
-Original Message-
From: James Smith
Sent: 12 January 2021 10:19
To: 'users@httpd.apache.org'
Subject: RE: [users@httpd] Apache in under attack. [EXT]
Yes - it is something we need
Message-
From: Jason Long
Sent: 12 January 2021 10:01
To: users@httpd.apache.org
Subject: Re: [users@httpd] Aw: Re: [users@httpd] Apache in under attack. [EXT]
I did below rule, but not worked:
# iptables -A INPUT -p tcp --syn --dport 80 -m connlimit --connlimit-above 20
-j REJECT --reject
)
proxy_ftp_module (shared)
proxy_http_module (shared)
rewrite_module (shared)
setenvif_module (shared)
status_module (shared)
-Original Message-
From: Jason Long
Sent: 12 January 2021 10:06
To: users@httpd.apache.org
Subject: Re: [users@httpd] Apache in under attack. [EXT]
Modules
Sent: 12 January 2021 09:21
To: users@httpd.apache.org
Subject: Re: [users@httpd] Apache in under attack. [EXT]
Thank you, but "Firewalld" or "iptables" can't do it automatically? When an IP
sending many request then it automatically blocked.
On Tuesday, January 12, 202
development stuff it is a better flavour of linux}
What is the output of:
apache2 -t -D DUMP_MODULES
to see what modules you have installed
-Original Message-
From: Jason Long
Sent: 12 January 2021 09:43
To: users@httpd.apache.org
Subject: Re: [users@httpd] Apache in under attack. [EXT
k to dynamic
> content.
>
> James
>
> -----Original Message-----
> From: James Smith
> Sent: 12 January 2021 09:09
> To: users@httpd.apache.org
> Subject: RE: [users@httpd] Apache in under attack. [EXT]
>
> Put a firewall rule into block whatever that
Rate limiting may work - but the rate may be just slightly to slow for your
setting - manually doing it is a good thing ...
-Original Message-
From: Jason Long
Sent: 12 January 2021 09:21
To: users@httpd.apache.org
Subject: Re: [users@httpd] Apache in under attack. [EXT]
Thank you
installed
-Original Message-
From: Jason Long
Sent: 12 January 2021 09:43
To: users@httpd.apache.org
Subject: Re: [users@httpd] Apache in under attack. [EXT]
Apache configuration is:
https://urldefense.proofpoint.com/v2/url?u=https-3A__paste.ubuntu.com_p_RTC2WWMdYH_=DwIFaQ
Apache configuration is:
https://paste.ubuntu.com/p/RTC2WWMdYH/
And "www.conf" is:
https://paste.ubuntu.com/p/S9q5Kwpfcc/
And other settings:
https://paste.ubuntu.com/p/NydSyZghJ8/
Which one is not OK?
On Tuesday, January 12, 2021, 12:23:52 PM GMT+3:30, Jason Long
wrote:
It show
-Original Message-
From: James Smith
Sent: 12 January 2021 09:09
To: users@httpd.apache.org
Subject: RE: [users@httpd] Apache in under attack. [EXT]
Put a firewall rule into block whatever that first IP address is then.
Something like:
firewall-cmd --
ervers - one serving static content and proxying back to dynamic content.
James
-Original Message-
From: James Smith
Sent: 12 January 2021 09:09
To: users@httpd.apache.org
Subject: RE: [users@httpd] Apache in under attack. [EXT]
Put a firewall rule into block whatever that first IP address
of small static request (images/css/js) where you run two
web servers - one serving static content and proxying back to dynamic content.
James
-Original Message-
From: James Smith
Sent: 12 January 2021 09:09
To: users@httpd.apache.org
Subject: RE: [users@httpd] Apache in under attack. [EXT
.log | awk '{print $1}' | sort | uniq -c | sort -nr | head
or I often use cut instead of awk..
tail -1 access.log | cut -d ' ' -f 1 | sort | uniq -c | sort -nr | head
-Original Message-
From: Jason Long
Sent: 12 January 2021 08:53
To: users@httpd.apache.org
Subject: Re: [users@htt
It show me:
13180 X.X.X.X
1127 X.X.X.X
346 X.X.X.X
294 X.X.X.X
241 X.X.X.X
169 X.X.X.X
168 X.X.X.X
157 X.X.X.X
155 X.X.X.X
153 X.X.X.X
On Tuesday, January 12, 2021, 07:12:22 AM GMT+3:30, Bender, Charles
wrote:
Run this against your log file
On 1/11/21 6:06 PM, Jason Long wrote:
> Hello,
> On a CentOS web server with Apache, someone make a lot of request and it make
> slowing server. when I disable "httpd" service then problem solve. How can I
> find who made a lot of request?
> [url]https://imgur.com/O33g3ql[/url]
> Any idea to
Run this against your log file in bash shell
cat access.log | awk '{print $1}' | sort | uniq -c | sort -nr | head
This will show you most frequent IPs, sorted in descending order. Block as
needed
On 1/11/21, 7:11 PM, "Jason Long" wrote:
Can you help me?
I just did. Look at the logs. What doesn't seem right?
On Mon, Jan 11, 2021 at 7:11 PM Jason Long
wrote:
> Can you help me?
>
>
>
>
>
>
> On Tuesday, January 12, 2021, 03:36:30 AM GMT+3:30, Nick Folino <
> n...@folino.us> wrote:
>
>
>
>
>
> Concentrate on just one...
>
> On Mon, Jan 11, 2021
Can you help me?
On Tuesday, January 12, 2021, 03:36:30 AM GMT+3:30, Nick Folino
wrote:
Concentrate on just one...
On Mon, Jan 11, 2021 at 7:02 PM Jason Long wrote:
> It is a lot of IP addresses !!!
>
>
>
>
>
>
> On Tuesday, January 12, 2021, 03:30:02 AM GMT+3:30, Nick
Concentrate on just one...
On Mon, Jan 11, 2021 at 7:02 PM Jason Long
wrote:
> It is a lot of IP addresses !!!
>
>
>
>
>
>
> On Tuesday, January 12, 2021, 03:30:02 AM GMT+3:30, Nick Folino <
> n...@folino.us> wrote:
>
>
>
>
>
> How to find pattern:
> Look at log.
> Find bad things that are
It is a lot of IP addresses !!!
On Tuesday, January 12, 2021, 03:30:02 AM GMT+3:30, Nick Folino
wrote:
How to find pattern:
Look at log.
Find bad things that are similar.
Then:
Block bad things from reaching web server.
On Mon, Jan 11, 2021 at 6:49 PM Jason Long wrote:
> How to
How to find pattern:
Look at log.
Find bad things that are similar.
Then:
Block bad things from reaching web server.
On Mon, Jan 11, 2021 at 6:49 PM Jason Long
wrote:
> How to find pattern?
> Log show me: https://paste.ubuntu.com/p/MjjVMvRrQc/
>
>
>
>
>
>
> On Tuesday, January 12, 2021,
How to find pattern?
Log show me: https://paste.ubuntu.com/p/MjjVMvRrQc/
On Tuesday, January 12, 2021, 03:06:12 AM GMT+3:30, Filipe Cifali
wrote:
Yeah it's probably not going to matter if you don't know what's attacking you
before setting up the rules, you need to find the patterns,
Yeah it's probably not going to matter if you don't know what's attacking
you before setting up the rules, you need to find the patterns, either the
attack target or the attackers origins.
On Mon, Jan 11, 2021 at 8:26 PM Jason Long
wrote:
> I used a rule like:
>
> # firewall-cmd --permanent
I used a rule like:
# firewall-cmd --permanent --zone="public" --add-rich-rule='rule port port="80"
protocol="tcp" accept limit value="100/s" log prefix="HttpsLimit"
level="warning" limit value="100/s"'
But not matter.
On Tuesday, January 12, 2021, 02:47:01 AM GMT+3:30, Filipe Cifali
Thank you.
I see a lot of request in "/var/log/httpd/access_log".
On Tuesday, January 12, 2021, 02:46:10 AM GMT+3:30, Alain D D Williams
wrote:
On Mon, Jan 11, 2021 at 11:06:33PM +, Jason Long wrote:
> Hello,
> On a CentOS web server with Apache, someone make a lot of request
You need to investigate your logs and find common patterns there, also
there are different tools to handle small and big workloads like you could
use iptables/nftables to block based on patterns and number of requests.
On Mon, Jan 11, 2021 at 8:06 PM Jason Long
wrote:
> Hello,
> On a CentOS web
On Mon, Jan 11, 2021 at 11:06:33PM +, Jason Long wrote:
> Hello,
> On a CentOS web server with Apache, someone make a lot of request and it make
> slowing server. when I disable "httpd" service then problem solve. How can I
> find who made a lot of request?
>
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