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Questions tagged [blocking]

121 questions
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Is there a chance to block images spiders / bots on dedicated servers without using robots.txt or .htaccess?

We know that we can block certain spiders from crawling websites pages using robots.txt or .htaccess or maybe via the Apache configuration File httpd.conf. But that requires to edit may be a large number of sites on some dedicated servers and bots…
hsobhy
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How to block access from all hosting services? (like gutenberg.org)

gutenberg.org blocks access to all hosting services as per http://www.gutenberg.org/error403.php How to achieve this? Is there a list of hosting ips? Also, would these be added to CSF?
giorgio79
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Debian Dmesg Error - What does this output mean regarding an outage on eth1?

The tale of the NIC that quit; I have chucked the end of dmesg output from a server into pastebin; This server (PowerEdge 1850) has two NICs, eth0 and eth1. eth1 has a couple of VLANs defined on it, and those in turn are in different bridges, one…
jwbensley
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Blocking websites on Windows OS machine: registry vs firewall

When attempting to block a particular website (e.g. www.facebook.com) on a Windows XP 64bit Professional SP3 machine there are a number of methodologies that can be employed. Some methods are clearly weak (blocking through Internet explorer) but it…
Stumbler
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Nginx php-fpm pool being blocked and stop responding

I'm having some issues with requests for pages not getting a response after requests take a long time to process. I have nginx setup to use php-fpm. I have two pools setup in PHP-FPM. One pool for general web page requests, one pool to serve up…
Danack
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Are there any Thin Client software's for WinXP that block P2P and torrent? Except server-side installation

I want to block p2p and torrent connection without any firewall or server-side software installation. Most of all it is FREE. Thanks.
Nathaniel Varona
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Can I use an IP-list include file for iptable blacklisting?

I would like to block all countries except mine in iptables, that is a list with about 100.000 Entries. How can I define this blacklist file in a script, so iptables blocks all those IP ranges? Maybe I can use:…
rubo77
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Block port 25 on SBS 2003; allow Exchange

I know this is a noob question, but I haven't been able to find an answer on exactly what I'm looking for. My mail server was recently blacklisted due to being infected with cutwail. Part of the de-listing instruction is to block port 25,…
Geo Ego
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On a router, how do I block wan access for a particular machine without blocking its access to the local network?

On my tp-link TL-WR1043ND router I want to prevent a particular machine from having access to the WAN while still allowing that machine to access other machines on the LAN. My assumption is that I need to do something in the "Access Control"…
HappyEngineer
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synchronization between two (or more) file servers : block open files to avoid conflicts

"Short version": When a user opens a file on a local share, other users can open only in read-only, until it is closed. I want this to be true for the remote copy of the file: read-only when the local file is opened. "Details": I have two (to begin)…
Klingel
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Port periodically blocked

I'm wondering what are the possible ways to block some port while it is in use by some other process? Short story long: I've got an app(1) that communicates with another app(2) on one host/local machine through some port (7080). Periodically…
Denys S.
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Blocking RDP connections from secondary IP addresses

I have a webserver running Windows 2008 R2 with multiple IPs assigned to it. I want to be able to RDP to the box via the main IP assigned to the box but not from any of the secondary IPs (ie... the websites IPs). I assume if I had control of the…
user73995
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restrict ip stealing

we are working in a lab with set of 35 systems in college. my system is only ubuntu installed and i got the separate ip for my project purpose. and each one having the separate ip. but somebody else unknowingly use my ip to download movies and not…
selvakumar
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Blocking Clients while Forwarding All Traffic

Greetings, How to block clients by masking their subnet mask or changing their gateway information while forwarding any outward traffic from such clients to a specific proxy or server to display some message or captive portal ? What subnet mask…
Geeko
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How do I block host name instead of just IP?

I was wanting to block a list of specific hosts, specifically so my server has no access to them at all. I tried using host2ip and entering the result into IP tables , but the IPs don't seem to lead to the site and I can still access the domains…
John d.
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