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1
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3answers
1k views

Attempt to access SQL Server with the user SA

I'm suffering an attempted invasion by brute force. A bot is trying to figure out the sa password. How do I restrict logins 3 attempts in SQL Server? Moreover, I would like to block an IP, how can I ...
3
votes
3answers
103 views

Banning people from accessing my sites

I was looking at my apache logs and saw this: [Wed Feb 02 00:56:54 2011] [error] [client 93.190.64.23] File does not exist: /srv/www/dogself.com/public_html/db [Wed Feb 02 00:56:54 2011] [error] ...
0
votes
2answers
419 views

Should I use my web server firewall to block all traffic from IP addresses that seem to be attempting attacks?

I’ve recently set up a tiny Debian VPS for hosting a couple of personal sites. In the Apache access logs, I’ve noticed quite a few requests for URLs like /phpMyAdmin-2.6.4/scripts/setup.php coming ...
2
votes
2answers
2k views

Apache deny from CIDR range but allow from IP within that range

I am using a long CIDR blacklist to block several countries from a site, but I need to allow specific IP addresses within the blocked CIDR ranges. Here's an excerpt of my conf file (this is the order ...
-1
votes
2answers
378 views

What are my usable IPs?

I bought the IP address block 216.231.128.32/27 and the machine has the Default Gateways already setup as 64.79.102.162 and 64.79.102.193
0
votes
2answers
140 views

LAN-intern solution for server-side auto-IP-block

We got the problem, that our web server provider blocks our static IP address automatically, when we reach 200 simultaneous connections in the time window of 300 seconds. I'm running an Ubuntu server ...
4
votes
3answers
645 views

Blocking facebook on company network

Our ISP forced us to use their router that doesn't have any option to block certain URL/IP like our 3Com OfficeConnect router has. Is there any other easy way to implement this without an intelligent ...
3
votes
10answers
2k views

Block facebook even in the case users get their hands on tor, freegate and similar applications

I've been using, happily, opendns to block facebook on my network. Then I started thinking about tricks to circumvent this block and, of course, I've read here on serverfault how to block the facebook ...
3
votes
1answer
1k views

Block A City From Visiting my Website [closed]

I understand it is possible to block a country from viewing my website using apache, .htaccess. I was wondering if it is possible to block everyone from a specific City (namely the city of Flower ...
0
votes
2answers
11k views

Blocking YouTube website using WiFi and/or DSL Router

Is it possible to block certain websites e.g. YouTube on all computers without having to configure something on each and every computer. I have access to WiFi router and the DSL router. Is there any ...
1
vote
2answers
243 views

Block an IP-address which tries to download entire website

I need to block an IP-address which tries to download my entire website. Currently I've blocked it using iptables. Is there any way to block an IP automatically if it's trying to request to many ...
6
votes
3answers
1k views

Hundreds of connections to a server, just from opening 10+ tabs in IE8?

We have private forums running vBulletin, and we've gotten complaints from a customer that has trouble accessing them when he opens a lot of tabs. The last time he called, it was determined that our ...
2
votes
4answers
5k views

Finding all IP ranges belonging to a specific ISP

I'm having an issue with a certain individual who keeps scraping my site in an aggressive manner; wasting bandwidth and CPU resources. I've already implemented a system which tails my web server ...
0
votes
3answers
4k views

check if a domain is blacklisted / blocked

Some clients report to us that our site is not accessible through their internet connection. We suspect our site is wrongfully blocked by some security software/firewall/public blacklist. How can ...
1
vote
3answers
622 views

Blocking an IP range without using .htaccess

I have a WordPress blog that I am hosting using NearlyFreeSpeech.net. Recently, Russians found it and have been comment spamming me. I don't want to have to trash 30+ Cyrillic comments/day, and I ...
2
votes
3answers
2k views

Windows Server 2008 firewall rules order problem

I have one rule that opens FTP port for all connections. I have second rule that blocks ALL connections on ALL protocols for some IP's. However, connections from those IP's that are blocked can ...
3
votes
3answers
736 views

What is better for an IP ban? At firewall (shorewall) level, or at IIS level?

I have a spambot that likes to spam my websites. I mailed to abuse@isp, but he ignored me. Attacks always come from the same ip, and i used IISIP to add the spammer IP to all of my websites. I am ...
-1
votes
2answers
1k views

Fail2ban for Windows 7?

My server is getting hit pretty hard by (what appears to be) script kiddies in China. I'm just looking for some thoughts/ideas on how to potentially setup some type of Fail2ban proc?
0
votes
1answer
643 views

Per client DNS server assignment using Pfsense

I have a network where pfsense is the gateway. There are two sets of clients that I want. One where there will be some restrictions to the network (example, IM being blocked) and one network where ...
0
votes
2answers
1k views

Can IIS automatically block IPs based on certain queries?

Can IIS7 automatically block IP addresses if certain queries are tried against my server? Like, is it smart enough to figure out that it's getting spammed by similar requests from the same IP under a ...