Software that controls what connections can be made to and from a network.

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How to ssh to a linux server behind corporate firewall?

My company has a linux server (CentOS 6 VM) behind a corporate firewall, I have full root control of the VM, but I have no control over the firewall. There's an ssh server running on it, and I can ssh ...
2
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2answers
461 views

iptables in ubuntu

i want to stop iptables firewall in ubuntu. how can i do that???
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1answer
3k views

What port(s) etc. need to be open on a firewall to allow successful operation with BitBucket

Over the weekend, our IT department installed an updated firewall. As a result, we are no longer able to pull from (and push to) the repository on BitBucket. Attempting to perform a Mercurial ...
2
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1answer
11k views

Windows 7 firewall causing remote connection to time out; should refuse connection

The Windows 7 Firewall is running with default options to allow outbound connections and block incoming connections. I have a process trying to connect regularly from within my local network, which is ...
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2answers
810 views

System.exe trying to connect microsoft ISP

When i connect to internet, I often get these firewall notification requests that system.exe is trying to connect Process: System Remote Address: 94.245.121.212, PROTO41 through PROTO41, the ...
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2answers
548 views

Why after Accepting Ports 20 and 21 in iptables are they still closed?

I am trying to open the FTP Ports on my server. I have vsftpd installed on the server already. However I am unable to reach the server on ports 20 and 21 Somehow it is allowing me to access port 21 ...
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1answer
6k views

How to open a firewall port in Windows using Power Shell

I would like to know how to open a firewall port in Windows by using Power Shell.Could anyone write a script for opening a firewall port.I saw a similar post on http://stackoverflow.com/questions/...
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2answers
2k views

Wifi router blocks wireless peers from connecting each other

What option controls that wifi router blocks wifi peers from connecting each other. I have wifi router Dlink Dir-320. With that router I can't ping (or connect via FTP or HTTP) one laptop from ...
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1answer
4k views

netsh, block all IP addresses in a text file?

Is there a way for me to import a .txt file (with IP addresses on each line) into Windows Firewall? I want each of the IP addresses to be completely blocked. That would also provide an easy way to ...
2
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2answers
87 views

Logitech Support telling us we have an unsecure network and trying to charge $99?

My boss is trying to set up a Logitech Webcam on his computer in the office and he called Logitech support, and they were trying to fix it and could not so he let him on his computer he said he could ...
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2answers
8k views

MacOS X: log is full of “stealth mode connection attempt”s from LAN router

MacOS X's logfile daily.log is full of lines like this: Sun Jan 29 09:51:47 nameofmymac Firewall[77] <Info>: Stealth Mode connection attempt to UDP 192.168.2.49:51855 from 192.168.2.1:53<br/&...
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2answers
106 views

Hitting try agin button again and again in firefox breaks the firewall?

The IT department of our company have blocked FB. but if we keep on hitting try again button again and again after 6-7 attempts it opens. Why is this so?
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1answer
824 views

Use Shorewall to port-forward requests based on the domain requested to different servers

How can I get my firewall to port forward traffic that is comming into different domain to different servers. So I have two web servers. Each one hosts different domains on different servers/IP: ...
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5answers
880 views

Easiest way to restrict IP access per user on ubuntu

I installed Ubuntu 10.10 on an old laptop for my daughter and want to be able to restrict which web sites she can access. I would like to have a white list of addresses she can access. Can anyone ...
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2answers
421 views

Can the Snow Leopard firewall remember my choices?

I have the Snow Leopard firewall switched on. Every now and then, it asks if I'd like to allow or deny network connections for an app. I make a choice, and every time I open the app it asks me again. ...
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3answers
192 views

How to remove a virus that trigger the internet explorer every some minutes?

Some days ago, I got a file in Windows Live Messenger by an account of my friend, I thought it was a normal file because he normally sent me some files as well. But this time, I had no luck, he got ...
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3answers
12k views

How do I find out if I am behind a firewall?

OK, so I live in an apartment that offers me internet, but I have no idea through who, or what type. It is pretty dang fast, thats all I know. I have all of my computers running through my router, ...
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1answer
3k views

Can't seem to allow incoming connections on a specific port, Mac OS X 10.6.1

I want to be able to allow incoming connections on a specific port regardless of the program currently running. This is mainly so I can temporarily let users from other machines access ruby on ...
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2answers
175 views

Connecting a port in linux from other machine

I'm going fast to asking this question so i'm apologize. I'm on Linux Fedora 23. I'm running an application Telegram-CLI with listening a port using this argument. -P 1337 That is fine and works ...
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2answers
361 views

Transmission-Daemon does not upload, but can download

I have just installed transmission-daemon on a Raspberry Pi running Raspbian (Jessie). When adding a torrent to the web interface, downloading works at high speeds, but it doesn't upload anything at ...
2
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1answer
351 views

VMware Player and Windows 7 firewall

My Windows 7 firewall (the one by Microsoft that is shipped with the OS) is configured to block all inbound and outbound connections by default. Because all outbound connections are blocked, I ...
2
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1answer
9k views

How do I stop my Mac from asking to accept incoming network connections?

I am using Syncthing, which is an application to sync files between two or more computers. I believe Syncthing (on github) needs to be allowed to Accept incoming network connections to work properly. ...
2
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1answer
448 views

How does a IP packet from a remote server “find” a home computer behind a NAT firewall?

I understand communication between a remote machine, e.g. a webserver and users home computer/device can only occur if the users computer initiates the communication (assuming your firewall/network is ...
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1answer
2k views

Firewalld - allowing ICMP in custom zone (centos 7 / redhat 7)

I want to enable ICMP echo-reply in a zone defined by source. I have a zone MONITORING where I want to permit some services like mysql and echo-reply. Permiting services like mysql is simple, but I ...
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2answers
6k views

Windows 7 firewall: Block all incoming requests from a certain IP

How can I modify the Windows 7 firewall to block all incoming requests from a certain IP in my network? In "Windows Firewall with Advanced Security", I can define new rules. However, none of the ...
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3answers
384 views

A tool which can in single click block all apps from using internet?

I will bring my laptop to my vacations and connect to the net via my mobile phone. the mobile transfer limit is limited to 200MB and I do not want to deplete it in one day. I basically want that I ...
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1answer
289 views

How to I allow outside access to port 8080?

I'm trying to add a rule to my router to allow outside access of a web app running on one of my computers on port 8080. When creating a rule, my router (actionTec) asks for three fields: "Port Start",...
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1answer
435 views

Is my Windows Firewall active?

I'm trying to set a simple public block for an application for both inbound and outbound connections. I'm using Windows 7, but my friend is still able to connect to the application. Steps I took are ...
2
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1answer
1k views

Kaspersky 2012 Firewall - prompt on new connection attempts

How can I get Kaspersky 2012 Firewall to ask me everytime if I want to allow or deny an application to connect to the internet the first time it asks and have it remember that until the application ...
2
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3answers
174 views

Granular control of the flow of data into and out of all devices on a home network to an ISP enforcing bandwidth limits

Internet service providers are gradually chipping away at net neutrality and imposing bandwidth limits. Most users will need to trust their ISP to report accurate bandwidth consumption rates, and ...
2
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1answer
4k views

Open firewall port on Fedora 14

I want to open the port 18680 on my remote Fedora 14 machine. I did sudo iptables -I INPUT -p tcp --dport 18680 -m state --state NEW,ESTABLISHED -j ACCEPT sudo iptables -I OUTPUT -p tcp --sport ...
2
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1answer
105 views

stop windows 7 complaining about the firewall

Is there a way to stop Windows 7 complaining about the fact that ive turned the default firewall off. Whilst i am on my home network i dont want to run the windows firewall as im behind a router, but ...
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3answers
1k views

Firewall to block traffic to specific websites

I have recently switched from MAC to Windows Vista. I used to have LittleSnitch on Mac where I can create filters and disable browsing to other websites. I mean, I can create filters so that ...
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3answers
98 views

Cannot Access My Computer Over LAN

I cannot even ping my computer from another device inside LAN. I've tried the followings: Turned on Network Discovery, File&Printer Sharing, Folder Sharing from Network and Sharing Center ...
2
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1answer
869 views

Ubuntu IPTables allow only allow 1 country

So I've been looking around on the net for a script that will drop all traffic to all ports except the http(80) and https(443) ports, and then only allow traffic on all other ports from country x (...
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2answers
234 views

Passing through a firewall with a “reverse” proxy

I have to do a workshop in a firewalled environment which is preventing me to show everything I would like and I'm looking for a workaround. I'll be demoing a software which runs on Windows. During ...
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2answers
2k views

FTP not accessible outside of LAN

Ok so I really need some help with this, I have XAMPP installed and am hosting a webiste with it for my friends and i to work on. I am able to see the site just fine and also i am able to get to ...
2
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1answer
67 views

Does Windows Firewall have a log?

I am trying to set my router to forward three of my ports for EchoLink. But I'm having trouble with it. I'm Using the PFPortChecker to see if the ports are open, it says they aren't, but to check my ...
2
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1answer
159 views

Unable to access internet from Windows Command Processor

I am unable to access internet from the Windows Command Processor. Below is the output on doing a simple ping: C:\Users\vivekkumar>ping www.stackexchange.com Pinging www.stackexchange.com [198....
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2answers
246 views

Keeping a slowish DSL connection responsive

I have a Linux box serving as a firewall/router for our home network. I live out in the boonies, so I have a relatively slow broadband connection: Downstream Rate 7616 Kbps Upstream Rate 512 ...
2
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1answer
1k views

Duplicate rule in windows firewall

Let's say you have two rules, one that block and the other that allows the connection from the exact same IP. Which rule takes precedence? Here is some context: I created a script that will block any ...
2
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1answer
3k views

how can I allow outgoing access to a port in firewall

Im doing a file_get_contents but getting Connection refused I used the following to allow outgoing connections from server2 to server1, and vice-versa. But I'm still getting failed to open stream: ...
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3answers
2k views

How can I get rid of the long Google results URLs? [closed]

google.com is always shielded by our firewall. When I search something at google.com, a result list appears. Then I click the link, the URL changes to a processed url like: http://www.google.com/...
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1answer
1k views

Manually allow ping.exe through the Windows 7 firewall

To improve my feeling of security I recently switched my Windows 7 firewall to block all outbound connections. The only thing I can't seem to get to work is ping.exe. I tried by creating custom ...
2
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2answers
3k views

Block IPv6 Traffic using iptables on Linux using Layer 2 info

I have setup a simple isolated network consist of following Linux based machines: Node1<---->Router<---->Node2 Router's eth0 is connected with Node1's eth0. Router's eth1 is connected with ...
2
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1answer
907 views

OS X stealth mode: where is it enacted?

I am working through the security guide from apple (which they did not update since Snow Leopard). In the firewall section it states that ipfw has a default allow rule: 65535 allow ip from any to any ...
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2answers
65 views

Certain banking pages not loading

For some unknown reason, I am suddenly unable to access my accounts at several banking and credit sites. I have been a registered user at each site for several years and know I am using the correct ...
2
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1answer
921 views

How do you add a MAC-based routing whitelist with DD-WRT and the OpenVPN client?

I have an OpenVPN client set up on my DD-WRT home router which maintains a VPN into my workplace. Slight problem: I don't want random lusers who access my wireless AP to have access to my company's ...
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3answers
124 views

Detect URL connection attempt by desktop application

A user is using Autodesk Project Vasari 2, which provides training videos. The videos are blocked by the corporate firewall. Is there a method I can use to find out what URLs the application is ...
2
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2answers
816 views

Wake On LAN on request

I have a small home network with the router capable of running OpenWRT, is there some utility or firewall rule, which can be used to Wake On LAN on request. What I think - if I want to access my media ...