The ip-blocking tag has no wiki summary.
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1answer
38 views
Block IPs in Local Security Policy
What would be the most efficient way of blocking a list of IPs in Windows 2008's Local Security Policy?
Ideally, I would want to block the subnet that the IPs belong to. What IP subnets should I be ...
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1answer
23 views
Blocking request to port 80 on gateway on Ubuntu
I want to block access to the gateway (192.168.1.1) on port 80, to prevent network user from trying to access the router setup. I'm using Ubuntu 9.10
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2answers
51 views
Does ip blocking occur anywhere other than at the endpoints?
My localhost's IP address/port is being blocked from accessing a certain site. The blocking is occurring, but I don't know where.
The question is : does IP blocking possibly occur not only at the ...
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0answers
58 views
IIS7 - Blocking IP addresses not working
I have added an IP address in IIS7 in the IP address and domain restrictions. From what I have read this should block all traffic to the folder apart from the allowed IP address. For some reason this ...
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0answers
104 views
Multiple IP Blocks in pfSense
How can I implement CARP shared IP and WAN access for multiple public IP blocks in a CARP-enabled pfSense cluster? For example, say I have 11.11.11.129/27 and 11.11.12.129/27, which of the following ...
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3answers
88 views
IPTables not blocking some connections
I am using IPtables for a basic firewall, I have placed some blocks on those IP's attempting FTP, SSH conenctions, etc.
I have accept rules at the top for good measure to ensure that my monitoring ...
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2answers
181 views
How to add iptables ip blocklists to Plesk 10.4.4 (CentOS)?
I'm trying to figure out the best way to add IP blocklists to my Plesk 10.4.4 server (CentOS). It's a simple Virtual Server I recently acquired through my hosting company.
I've used .htaccess files ...
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2answers
283 views
If I block users with a blank IP address, will that affect innocent, non-technical users?
I run a website with an anonymous commenting feature. Users can flag each other for abuse; flags are tied to an IP address (grabbed via PHP from $_SERVER['REMOTE_ADDR']).
I've noticed that 99% of the ...
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2answers
100 views
My bulk email company supresses all hard bounces -even if they get their IP's blocked
I send out about 500,000 emails every week. I have been sending the list out for about 1 year. But in conversation, I was advised that the company sends in a shared IP manner. So my list goes out ...
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1answer
73 views
Blocking all RIPE Addresses in Server 2008?
Our datacenter has recommended we block all RIPE IP Addresses on one of our machines. It is constantly being DDoS Attacked everytime the null routes are lifted, so I am not sure how this would help, ...
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3answers
295 views
How to create a group policy to block facebook or any website in windows server 2008 r2 domain
How do I create a Group Policy that will prevent my users from accessing specific web-sites? I am at the 2008r2 functional level.
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2answers
291 views
Block IPs that try to exploit common webapp vulnerabilities
Is there an application that goes through the nginx logs and blocks IPs that made requests for common webapp vulnerabilities?
I have an nginx web server that serves only static content. I routinely ...
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1answer
129 views
Allow Only US Traffic (Server 2008 R2)
I'm trying to setup Windows Server 2008 R2's firewall so that it blocks all traffic except traffic originating from US IPs. The current inbound firewall policy is setup as follows:
Block a few ports ...
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2answers
170 views
How to ban potential hacker IP Addresses from Port 80?
I am hosting a bunch of PHP web sites on a web server. While I have taken all precautionary mesaures to protect all ports, Port 80 specific attacks continue. I want to ban any IP Address that taken an ...
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2answers
190 views
Automatically block IP in apache2 - it is possible?
Is there are a way to automatically block IPs with apache2. For example, if we get a lot requests (100s) for non-existing pages (or known patterns, like CHANGE_LIST.txt, etc.) to block that IP and add ...
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2answers
536 views
How to block a Countries IP range with a Cisco ASA?
To be more specific I have a request from a client to block China's IP range. I know how to do this. I would use the IPs from https://www.countryipblocks.net/e_country_data/CN_netmask.txt and make a ...
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4answers
125 views
Blocking attacker's IPs: What options do I have?
A website of mine is being attacked by some IPs. I don't even know if it was a ddos yet, I only know that it has been filling my application's logs for longer than a day, and then the server crashed ...
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3answers
335 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 ...
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3answers
84 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] ...
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2answers
247 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 ...
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2answers
207 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 ...
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2answers
159 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
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2answers
93 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 ...
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3answers
340 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 ...
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10answers
932 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
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1answer
432 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 ...
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2answers
2k 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 ...
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2answers
197 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 ...
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3answers
417 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 ...
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3answers
529 views
Finding all IP ranges blelonging 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 ...
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3answers
1k 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 ...
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3answers
489 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 ...
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2answers
550 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 ...
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3answers
588 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 ...
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2answers
901 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?
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1answer
416 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 ...
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2answers
760 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 ...
