Bot Attack, How To Protect Server

Oct 22, 2009

how to protect an linux dedicated server from bot attack. Im using linux server with cPanel, using CSF firewall + DOS Deflate.

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Better Way To Protect My Server From DDos Attack?

Jun 25, 2008

today i have DDos Attack in my server in port :80

what is the better way to secure my server from DDos Attack

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Protect Companies Servers From Brute Attack?

Jun 30, 2008

Alright so we have found someone hacking web hosting companies servers by brute attack.

How do we protect ourselves from this and all other hacking attacks?

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How To Protect Windows Server From Mpack?

Apr 6, 2009

how to protect Windows server from Mpack?

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Protect Folder In Cpanel Server

Aug 14, 2008

How to protect a folder in cpanel server without using slash

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Reverse Proxy - Protect A Web Server

May 31, 2008

Background (so you know what I am planning)

I will be storing personal customer information in mysql, so security is driving all my requirements. I was thinking the architecture will be :-a dedicated web server within a DMZ and placed behind a firewall and border router.

a dedicated database server inside the internal network behind another firewall,
All running Linux

building out and management of the servers to be done by hosting provider or third party
Please feel free to comment on this setup.

QuestionsIs a reverse proxy a benefit for security.

Am I right in saying that a reverse proxy hides the OS and server details from prying eyes and provides another layer of security

if a reverse proxy server is a benefit, is it normally the default architecture at most reputable hosts.

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Protect My Windows Server 2003

Dec 22, 2007

I got my game servers hosted on a windows server (with w2k3).

I want to know what software u guys advise me to use on it to protect it!

Someone told me that keep windows up to date wont get me any problem, but i just dont believe.

SO i want oppinion from wht members.

And since im here i want to report other thing... For an email service? Windows mail server, or something like exchange mail server?

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How Do I Password Protect A Folder On The Server

Jan 15, 2007

Is it possible to do it through a standard FTP package?

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Apache :: Way To Protect Server From Overload?

Feb 19, 2014

Is there a way to protect apache server from overload? For example Nginx has a module called SysGuard when system load or memory use goes too high all subsequent requests will be redirected to the URL specified by the 'action' parameter.

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C99Shell :: Protect My Server For Shell Attacks Via C99 And H57?

Sep 1, 2008

I have few scripts, but hackers again upload at some way c99, and hack some SMF forums at server. Server like server they cannot hack, but user account they can. So please tell me what you advice?

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What Is The Best Method To Protect My Server From Data Lost

Jul 3, 2007

I have dedicated server at GoDaddy and I am hosting very important web service for our company. We have only one HDD on server and no FTP backup. What is the best method to protect data and whole server from HDD crash? Is it enough to add second HDD?

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Plesk 12.x / Linux :: How To Protect VPS Server Centos 6 64 Bit

Jul 4, 2014

how to protect Linux Server from Ddos Attack (Botnet, Loic)

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How To Password Protect Web Pages, I Can Protect Directories But Can't Put Pages In

Mar 4, 2007

i did make a big message on here but it deleted when i back spaced

my website is aviation cafe dot net / sample and i need you to help me with password protecting a webpage, i wanted the address to be / the silver sword and definitly not to look like it does now.

username: webforum
pass: password

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My Server Is Currently Under Attack

Jul 2, 2009

My server is currently underattack, I have been able to keep it up but after I ban 500 IPs, I get a lot of different IPs again.

Any idea or suggestion to do mass-ban to those attacking IPs?

tcp 0 0 SYN_RECV
tcp 0 0 SYN_RECV
tcp 0 0 SYN_RECV
tcp 0 0 ...

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DDOS :: Someone Is Trying To Attack Our Server

Jul 4, 2006

Someone is trying to attack our server (I think so). When running apache status there are a LOT of connections from one network, all requesting the same page. But running: netstat -ntu | awk '{print $5}' | cut -d: -f1 | sort | uniq -c | sort -n does show any of these IP's. So script blocking ddos attacks wont work. Anyone know what can I do about this?

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How Many Attack Attempts Do You Get To Your Server Per Day?

Aug 22, 2007

I went today to my apache error log, and noticed that those scum lowlifes hackers trying to hack my server every day for at least 100 times!!!

What a disaster!

Examples of urls they trying to use:

Is there anything that can be done to prevent this mor*** from even trying to hack (except putting a bullet in his/their head)?

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My Server Attack By Hackers

Nov 7, 2009

two of my website on the server was changed by the hackers.How did they do it?

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Botnet Attack My Server

Nov 3, 2009

i got botnet attack my web there anything i can do to block thse attack? my host isnt help much?

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Check Server For Dos Attack

May 17, 2009

How can check server for dos/ddos/syn attack?

Because my server load is high, perfromance is low, but i dont have any high process.

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Is My Server Under DDOs Attack

Feb 2, 2008

is this DDOs attack : .....

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New Type Of Server Attack

Jan 31, 2008

I think I'm experiencing some type of alternative to a DDoS attack. My server is being killed by thousands of emails being sent to fake accounts on my server.

I'm not a server administrator, so please bear with me.

My load average is skyrocking to 800.xx at times. I look at "top" and see "exim" for one specific user on my server. I own all the websites on my server, by the way.

When I look at my email queue, I see thousands of emails coming in to accounts that don't exist for that specific user. Let's say the domain name is Somebody is sending spam to various aliases that don't exist. Like webmaster -at- and suzy -at-

How can I prevent these spam emails from having any interaction with my server? It's causing me a lot of downtime on all the sites I have running on that particular server.

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Threatened With An Attack On My Server

Nov 27, 2008

Not sure if it's a valid threat, but I would like to do the best I can to identify one as early as possible.

Can someone maybe give me an idea of what to look for? They were not specific on there type of attack, but I was hoping that there was maybe a log file I could tail and keep an eye out for irregularities.

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My Server Got Phisihing Attack

Aug 8, 2007

my server got phisihing attack with bankamerica/paypal etc. i wounder because we have tight firewall/security etc. but any way this is teribel. i have found ip when look in to /var/log/messages -

its looks like (? is it used anonymos ftp? i found same ip used to log in to another ftp host as well.

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Slow Server - DoS Attack

Nov 17, 2007

My server (Xeon 3.0Ghz) went down for no reason yesterday and ever since it was rebooted (and I've rebooted a couple of times since then), pages load extremely slowly or just timeout. Server load is constantly hovering around 1 and top stats indicate that the server's resources are not under heavy load, which is contrary to the usual pattern during peak times.

I've checked netstat and I notice a lot of SYN_RECV. Could this be a DoS attack? If so, what steps do I take to stop it?

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Softlayer, My Server Is Under Ddos Attack

Jun 18, 2008

my server is being ddosed and the network utilisation is at 40% of 1gpbs

i asked to softlayer to check and they said my programs/services is taking that much bandwidth

any1 can help me?

if my server is under dos attack wat can i do?

because the bandwidth used is about 50gb/hr

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Ddos / DoS Attack, Won't Stop. Server Is Down

Jul 7, 2009

My server was hit with flood recently, to the point where I was unable to log in via SSH. Running 'netstat' command showed I was getting flooded with thousands of http requests from China/Saudi Arabia/Korea. I installed APF firewall and added those countries to deny list.

Next day I was hit from Russia and Romania and some others. By reading some posts on this site, on top of APF, I have also installed Dos Deflate. It was working for couple of hours, but then it stopped working. I could not even log in via SSH. My provider told me that APF was using all of the "conntrack" connections. I have increased conntrack connections to 130,000 (I have 4 Gigs of RAM on my server). Is that possible? (I have about 300 IP ranges in my APF deny list).

Next day, I was got hit by different attack: there was 11 Mbps of malicious traffic on average sent to my server. My provider put me behind firewall to mitigate against that kind of attack.

Currently, I am both behind the hardware firewall and I have APF and Dos Deflate running. However my server is not accessible.

When I request, I can log in for couple of minutes, but then I get kicked out.

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Ddos Attack Still Dropping My Server

Feb 16, 2008

I have been getting ddossed for the last month, my host has tried many things on my server that are commonly suggested around here, however we have over 40 000 connections hitting the server from this attack and it keeps rising.

I am on LiteSpeed.
I also have NetScreen 50 firewall which helped for a little while, however the server still keeps going down.

I am spending $420 a month on my hosting for my dedicated server
Now it is costing me an extra $400 a month to have Netscreen firewall running which is a waste of money as it can not effectively keep the server running and i'm not sure if I can even effectively afford that much money a month, however I might need to spend a little more if need to just get the server running finally.

basically I need some options as to what I can do. I would like to stay with my host, they have been good to me, however if my options are better suited to changing then let me know. I just really need to get my server running great asap and to keep it running great when i'm away from the internet.

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Someone Hacked My Server And Launched A DoS Attack On Someone Else.

Feb 23, 2007

OS: Centos 4

Someone managed to get into my server and launched a DoS attack on someone else machine.

How do I find out the person who did this?

How do I find out how the person got in in the first place?

How do I make sure that it cannot happen again using the same method?

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How To Stop Further Attack And Further Compramisation Of Server

Jan 10, 2007

Today my system which is hosting the site bepenfriends got compramised(win 2k3) and now LT tech guys are working on it to reload the system with a data save. I was not having a hardware firewall which caused this problem. But i had windows firewall, windows malinious software removal tool (defender i haven't installed). I have updated all patches of win2k3 whch was released till today.

Now after restore it will be great work to bring my website back with all those rewritten urls and the softwares and its licenses.

Now please help me out in below stuff.

How to stop further attack and further compramisation of server.

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Apparent 'Dictionary Attack' On My Server,

Feb 19, 2007

My site is being attacked by what appears to be a dictionary attack on my mail account. They are sending e-mails to random accounts at my domain from random e-mail accounts from somewhere else. Each of their messages is coming from a unique e-mail address and a unique IP address.

Now, we have some dictionary ACL installed that basically blocks any IP address that is caught doing this. So we are blocking tons of IP addresses, but they keep coming at us with new ones. We also have it setup so that the mail is rejected right away for any accounts that arenít actual e-mail accounts of yours. However, they are hitting the server so hard that it doesnít seem to be making any difference.

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How Do You Handle DDOS Attack On Client's Server

Jan 6, 2009

I have a client who's server has got DDOS attack. It causes the network disruption and DC wants to turn off the server. My client feels it stupid to turn off the server just like that.

can large attacks prevented server side?

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