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

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2
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3answers
191 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 ...
2
votes
3answers
10k 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, ...
2
votes
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 ...
2
votes
1answer
34 views

Command executes fine through cmd but not through PowerShell

This command doesn't work: netsh advfirewall set allprofiles firewallpolicy blockinboundalways,allowoutbound This command works: netsh advfirewall set allprofiles state on I've tried using ...
2
votes
1answer
307 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 ...
2
votes
1answer
3k views

How to disable SuSEfirewall2?

How can I disable SuSEfirewall2 from the shell (without yast)? We use OpenSuSE 12.3 I tried it: workdevel123:~ # systemctl disable SuSEfirewall2.service But I think this is not the solution: ...
2
votes
2answers
5k 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 ...
2
votes
3answers
360 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 ...
2
votes
1answer
253 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 ...
2
votes
1answer
411 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
votes
3answers
123 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
votes
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
votes
3answers
173 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
votes
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
votes
1answer
519 views

Firewall for controlling network traffic

I'm wondering if it is possible to have a firewall on Windows 7 that can only allow network traffic to one IP address, and from that one IP address? I'm using a VPN that tunnels all my internet ...
2
votes
1answer
102 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 ...
2
votes
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 ...
2
votes
3answers
70 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
votes
1answer
82 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
votes
2answers
166 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 ...
2
votes
2answers
1k 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
votes
2answers
6k views

Windows firewall blocks remote desktop with custom port

I was able to use my remote desktop with custom port when I was using Kaspersky Internet Security. Now, I have uninstalled my Kaspersky and switch to Avast!. Therefore, the windows firewall is turned ...
2
votes
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
votes
1answer
152 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 ...
2
votes
2answers
230 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
votes
1answer
917 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
votes
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: ...
2
votes
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: ...
2
votes
1answer
918 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
votes
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
votes
1answer
796 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 ...
2
votes
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
votes
2answers
810 views

Home Network, VPN & Security

At the moment, my home network is comprised of 5 computers (3 laptops and 2 desktops), one of which is running Windows Server 2008 and works as a home repository for some of our files. We access the ...
2
votes
1answer
880 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 ...
2
votes
2answers
804 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 ...
2
votes
1answer
6k views

What router settings are required for Windows 7 Remote Assistance?

I want to connect to someone's PC using Remote Assistance in Microsoft Messenger. Both PCs run Windows 7. The remote user is the one initiating the request. We're both behind firewalls/routers ...
2
votes
2answers
473 views

Tracing what program is making a network connnection? (CentOS)

I was wondering if it is possible to find out which process is trying to make a specific network connection. On a server I support which hosts websites for about 200 users, the iptables firewall keeps ...
2
votes
1answer
1k views

How to block access to a website on Lucid Lynx?

I am trying to block a few websites on a lucid lynx, I tried editing /etc/hosts and that blocks access via url but the site still open if I enter the ip on the browser, how can I block ip access also? ...
2
votes
6answers
140 views

Software and hardware firewalls

I'm connecting to the internet through a router at the moment, a Linksys WRT54G, do I need to have a software firewall set up? It seems kind of redundant if you're never going to directly connect to ...
2
votes
3answers
4k views

Is there any Linux firewall like ZoneAlarm, Keiro or Comodo in Windows environment? [closed]

Is there any Linux firewall like ZoneAlarm, Keiro or Comodo in Windows environment? I like to to able to monitor and block any Linux program from making in/out TCP/UDP connections on per application ...
2
votes
2answers
63 views

Windows 7 cannot establish outbound connections on port 80

I've been pulling my hair too long for this particular problem and now I'm on the verge giving up. Scenario: local network in the workshop consisting of two Linux-machines (one server, one ...
2
votes
1answer
232 views

Cisco ASA 5505 not allowing OPC Traffic

I am integrating a Cisco ASA 5505 firewall in the following manner: Inside IP range (VLAN-AWTP): 192.168.127.xxx (industrial devices) DMZ IP range (VLAN-OPC): 192.168.77.xxx (only has OPC Server PC ...
2
votes
2answers
70 views

Bridging Firewall to Public Wifi

My building offers wifi to its residents. It is not managed by IT professionals. I would like to use this internet source some of the time, but would like to be protected from machines on that ...
2
votes
1answer
6k views

How to automate Checkpoint firewalls rules implementation?

I HATE CP with a passion beyond belief... I mean, why, WHY you couldn't include a command line interface that allows me to grep a CSV file in which I'm requested rules, format them properly and then ...
2
votes
2answers
6k views

OpenVPN client behind corporate firewall

I cannot connect from the corporate network at work to my OpenVPN server. However, with client and server settings untouched, connecting from other networks works. I can only assume that this is due ...
2
votes
2answers
3k views

Filezilla connection - port blocked?

Since this morning I am unable to make a update with many files (i try to update the piwikinstallation, requires me to upload about 24mb). After a while, filezilla gets the answer from server, that ...
2
votes
1answer
486 views

SMB over SSH port forward

I know that since SMB is not secure, opening port 445 on firewall makes your computer vulnerable. To secure my connection, I want to run a SMB mobile app via SSH. Would I still need to open port 445 ...
2
votes
1answer
201 views

SSH tunnel and firewalls

Can a firewall still block things off a tunnel going trough it ? I am testing my proxy with Dante in China and works flawlessly but I have the same config on a proxy in Ireland that goes trough a ...
2
votes
1answer
61 views

All IP traffic gets dropped after a while

I'm on a Windows Server 2003 machine, and after some light to moderate network use, the server occasionally drops all IP traffic. It takes a while to get into this state, and there's nothing obvious ...
2
votes
2answers
4k views

Why my Port Forwarding rule is not working?

I'm a total noob about TCP/IP, and try to set a port forwarding rule. What I'm trying to do is this: I have multiple computers connected to my router (zyxel p-660hw-t1 v2), one of them is working ...