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Questions tagged [block]

135 questions
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How do I configure iptables in DD-WRT to block Skype on br1 only?

Using DD-WRT on a Linksys router, I've got a private network set up as br0 and a guest network set up as br1. I want to block access to Skype on only the guest network, and the easiest way I've seen to block Skype is to block access to their…
SteveJ
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Block HTTPS traffic to only selected sites

The Squid at my office is currently set up as a transparent proxy. I tried to block sites like facebook.com and twitter.com and was successful because just typing in those domains do not default to the https site. However if a user were to manually…
Praveen
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Site harmed by malware -or is it a server problem?

I have a site which is got harmed by this "spywarepc.info" and showing "Your site has been attacked by a Malware" :( ... don't even know what is this ? so i have opened spywarepc.info in a browser but it's not opening. My site has been blocked…
kevn
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Linux server blocking certain client without rule defined. How should I investigate?

One client is unable to access the CentOS server (can't ping or http). Checking the rules in APF 9.7 (apf -l) and there seems no specific rule defined. tracert shows each step and connection fine until the server is reached. How can I resolve the…
Nick
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Remote to remote block level replication

I have to sync 2 iSCSI LUNs together at block-level (mandatory), asynchronous, only in the night, I found some tools to do it when Remote to Local or Local to Remote, but I cannot install anything on the LUNs' hosts, I have to do it remote to…
Mykeul
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IP Address blocking best way to do this (in terms of security)?

I have had a user trying to hack into my server and muieblackcat pops up on my server, quite a few times. I just wanted to get some advice as to the best way to protect against this ie should i block the user via htaccess or should i block them via…
Dino
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bind9: example.com works, www.example.com doesnt, and how to block urls

1) I was following a guide to setup bind again after I formatted to Ubuntu 10.04.2 LTS. http://doc.ubuntu.com/ubuntu/serverguide/C/dns-configuration.html#dns-primarymaster-configuration I can get my domain example.com to resolve but I want…
user618036
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Block file from accessing using .htaccess for a subdomain

I have a website for e.g. www.domain.com And I have another subdomain for e.g. test.domain.com Both my main and subdomain point to same directory which is public_html. I want to block access to test.domain.com/test.jpg but not…
Ali
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Allow access only to one website

Hey. I'd like to allow access on a computer connected directly to the internet to one website ONLY. The solution of IE's "Content advisor" or firefox's "FoxFilter" isn't good enough because it actually downloads the data and just don't display it. I…
Alex
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How to close certain TCP/UDP ports (incoming) for ALL networks except listed through IPTABLES

How to close certain TCP/UDP ports (incoming) for ALL networks except listed through IPTABLES. I have a small set of NETWORKS I'd like to leave THE ports to be open. But want to close for all other networks. Thank you!
bakytn
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Forbid users to change DateTime settings at their desktop WinXP

What is the easiest way to block changing the Time and Date settings on desktop workstations running Windows XP?
adopilot
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Block websites based on header words by squid proxy

Is it possible to block website accessing based on HTML's "header words" by squid proxy on RHEL 5 ? If possible please tell as detail.
Kumar
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Active FTP client blocked on Windows XP

Summary We have a FTP server (running in active mode). We have an FTP client which is connecting to the server, carrying out a task and then closing the connection. The FTP Client can perform this operation on multiple threads. Problem We have a…
Ian Hannah
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How to block torrent downloads by squid?

I am using linux (RHEL 5) server with few windows xp client machines , I would like to block torrent downloads at clients, I am using squid 2.6 stable. How can i do this by squid ? Is there any other options for to do this ?
Kumar
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Postfix block spam email address

I have an smtp relay server on ubuntu 22.04.Config below: main.cf(Postfix 3.6.4) # See /usr/share/postfix/main.cf.dist for a commented, more complete version # Debian specific: Specifying a file name will cause the first # line of that file to be…
Tarik
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