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0
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1answer
71 views

Standards for email block list?

Is there any standard list of email prefixes or words that should be blocked by default? If I'm sending a message as part of a validation flow or on behalf of a user, are there any standards for ...
2
votes
2answers
4k views

How to configure a network to block gmail but allow google apps mail?

Google app mail loads via http://mail.google.com/a/[domain] and gmail loads via http://mail.google.com/mail. How can I block computers on my LAN from accessing gmail urls but at the same time permit ...
2
votes
2answers
333 views

I have a blocking transaction, but no statement is shown

My SQL Server 2008 started hanging on simple queries, so I checked for blocking transactions, using the built-in All Blocking Transactions report. Sure enough, such a transaction exists. However, if ...
12
votes
10answers
4k views

Block Facebook for selected users

We have a few users here who are using Facebook during working hours and their productivity is through the floor, as a temporary measure I have remotely edited their hosts files to point facebook.com ...
0
votes
1answer
1k views

htaccess config to block depending on browser agent

In one case i wish to block all Internet Explorer versions from my site using htaccess. I have read several guides but still can not get it to work. what is the most understanding way of doing it. If ...
1
vote
1answer
13k views

Forefront TMG Proxy blocking internal HTTP requests for FQDN

I have Forefront TMG installed as a proxy server. However, whenever I make HTTP requests to servers on the Internal network with a fully qualified DNS name, the proxy denies the connection. Denied ...
0
votes
2answers
561 views

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 ...
1
vote
2answers
768 views

Blocking a specific URL by IP (a URL create by mod-rewrite)

We need to block a specific URL for anyone not on a local IP (anyone without a 192.168.. address) We however cannot use apache's <Directory /var/www/foo/bar> Order allow,deny Allow from ...
0
votes
2answers
144 views

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 ...
2
votes
1answer
3k views

Disk IO causing high load on Xen/CentOS guest

Background I'm having serious issues with a xen based server, this is on the guest partition. It's a paravirtualized CentOS 5.5. I'm not sure if it's hardware or software related, or in between ...
0
votes
1answer
56 views

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 ...
0
votes
3answers
246 views

Why is Yahoo blocking our email address verifications and bouncing them back

I have a legitimate site www.angelescity.ph a Free Classifieds site, once someone posts an advert a verification email is sent.. Yahoo has been blocking them, not delivering and bouncing them back, ...
1
vote
1answer
591 views

Need help with IP filtering and port forwarding

I have a static IP assigned to me by my ISP. I want to access a server running tomcat in our network from outside the LAN. Can any one give a few pointers, to what I need to do, and where to start ...
1
vote
1answer
27 views

Firewall blocking files using Reg_Ex needs to be adjusted

We have security in our firewall to prevent SQL-Injection from destroying any of our content: Name Type Context Severity Pattern Configure CS:select_into signature http-url critical ...
-3
votes
1answer
287 views

How to set up websense to prevent workers from answering questions on SO?

Question 1: How to set up websense to prevent workers from posting on SO (and all related sites), without blocking them from viewing answers? Question 2: How to make SO (and all related sites) pop up ...
0
votes
1answer
1k views

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 ...
2
votes
1answer
892 views

NFS-shared file-system is locking up

Our NFS-shared file-system is locking up. Please feel free to ask any questions you feel relevant. :) At the time, there are a lot of processes in "disk sleep" state, and the load averages on our ...
2
votes
3answers
408 views

Stop slowing down fast and verbose operations when using ssh over slow connections

I often copy many files between 2 servers connected via 1GBit ethernet while I am connected via VPN and SSH over DSL. The problem is, that the verbose output (1 line per copied file) which needs to be ...
0
votes
1answer
255 views

Why is php-firewall blocking these ip ranges, isp's and host's? where can I found the blacklist?

The php firewall is blocking thees ip ranges for spam. Thats ok, but where is the source for this information? $ip_array = array('24', '186', '189', '190', '200', '201', '202', '209', '212', '213', ...
1
vote
2answers
475 views

What's the best way to monitor SQL Server Concurrency issues?

What's the best way to monitor SQL Server Conccurency issues? Specifically my goal is to reduce or prevent deadlocks and blocking and to catch potential concerns before they become a problem. For ...
2
votes
3answers
438 views

block websites in our network

We would like to block users from accessing sites like facebook and all from our network. All the connections are through our router(linux machine). What would be the best way to block the sites on ...
0
votes
2answers
1k views

Hosts file entry directed to a directory on localhost

I have a directory setup with a nice error message at http://localhost/blocked/. I'd like to direct entries in my hosts relating to sites I've blocked to that instead of just 127.0.0.1. ...
1
vote
2answers
171 views

Where is traffic destined for a specific TCP port being blocked?

I have a server that is set up to listen to a specific port (1433), and normally there is no problem accessing that port from anywhere. From one of the locations I work, however, I can't connect to ...
0
votes
2answers
93 views

Site getting blocked on corporate networks

Our site is getting blocked in corporate networks across various companies, but not all. Would appreciate help on what could be the reasons for this and how we can resolve this? Attached are a couple ...
1
vote
2answers
696 views

Apache VirtualHost Blockhole (Eats All Requests on All Ports on an IP)

I’m exhausted. I just spent the last two hours chasing a goose that I have been after on-and-off for the past year. Here is the goal, put as succinctly as possible. Step 1: HOSTS File: 127.0.0.5 ...
2
votes
3answers
4k views

SQL Alter database failed - being used by checkpoint process

On my SQL server 2008, i have a SQL agent job to restore a database on nightly basis. Procedure: find latest backup on other server Kill all conenction to the destination database Restore ...
0
votes
3answers
3k 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 ...
4
votes
3answers
336 views

Can i safely block all ports on my sever

I have a web server running pleks and get attacked a lot every day. I configured a firewall, and there are some predefined services such as www, and ftp, etc. I am planning to block all the ports ...
1
vote
2answers
947 views

Use .htaccess to block *All* access to specific folders

I am not sure how to do this, but I want to block all access to a specific set of folders on my web server. Say secret01 and secret 02... homeDir |- data |- www | |- .htaccess (file) | |- ...
2
votes
2answers
1k views

Are there internet users connecting with HTTP/1.0?

Are there internet users connecting with HTTP/1.0? Such as over a proxy. Because I'm going to block HTTP/1.0 since most of the bots are using HTTP/1.0.
2
votes
2answers
3k views

Log and Block Website using Windows 2008 SBS

A client has asked me to setup Windows 2008 SBS to block and log websites from a list they will provide. As far as I know they only have standard edition which means I cannot use ISA. I was thinking ...
2
votes
3answers
9k views

Squid: how to block websites for a particular IP address?

How to block websites for particular IPs by squid? Please give solution with example or configuration file.
0
votes
1answer
755 views

Block based on keyword

Hai linux guys, I am using linux (RHEL5) Server. I want to block some sites for windows clients, How can i block unwanted sites based on keywords(keywords in text file) in RHEL 5 ? Are there any ...
0
votes
4answers
576 views

Router blocks traffic because no D flag

I have a following issue On my desktop computer I can't access internet. Precisely, i can't ping router. However I can ping other machines on local network and i'm getting IP from DHCP located on the ...
2
votes
2answers
358 views

Blocking rm -rf for application

I have application which during run-time generates interesting intermediate outputs to ./tmp directory. At the end of execution this directory is deleted. How can i preserve contents of it? I do not ...
2
votes
1answer
420 views

Administrator is being blocked by server - error 406?

Few days ago I put online new portal that comes with cms I made myself. Problem that occurred is following: Administrator logs to cms, publishes few news and then he can't access portal at all (whole ...
0
votes
2answers
748 views

Will dropping AUTO_INCREMENT rebuild table in MySQL?

I've got table with following schema: CREATE TABLE `tblsomething` ( `something_id` int(11) NOT NULL AUTO_INCREMENT, … PRIMARY KEY (`something_id`) ) ENGINE=InnoDB AUTO_INCREMENT=144620955 I ...
2
votes
1answer
8k views

How can a block IP addresses using Windows Server 2008 firewall?

I have started to get various login attempts from different IP addresses. How can I block these IP addresses in the Windows Server 2008 Firewall?
1
vote
3answers
793 views

Block IPs in apache2

Ok another noob questions here. I have serveral IP's probing my server for phpmyadmin and other administrator stuff, looks like they're looking for something to hack, but honestly I don't care who ...
0
votes
1answer
108 views

Safe mailing list operation

I've been asked to create a mailing list system which will be used to send regular newsletter type emails to our customers. The software side is just about complete, so that needs no discussion. ...
0
votes
2answers
75 views

SQL Server logging blocks somewhere?

Is there a way to identify processes that were blocking or were blocked by another process after the fact without setting something up ahead of time? My weekly maintenance job (rebuild indexes, ...
3
votes
6answers
2k views

How can I block access to my website from certain countries using the LAMP stack?

I have a website that I do not want to be viewed by entire countries. The website is running on a LAMP server. How can I achieve this?
1
vote
3answers
2k views

How do I Stop IE8 through WSUS

Currently I have a two domain enviroment of vista with all machines calling into WSUS. The with the recent advent of IE8 being avaliable through WSUS that's been great. However I want to stop IE8 ...
0
votes
6answers
939 views

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.
27
votes
16answers
26k views

Why Block Port 22 Outbound?

I'm a programmer, and I have worked for a few clients whose networks block outgoing connections on port 22. Considering that programmers often need to use port 22 for ssh, this seems like a ...
1
vote
4answers
623 views

blocking bad websites in ISP level

how do you approach blocking bad websites such as malicious websites, porn and etc in ISP Level.