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

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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 ...
2
votes
1answer
3k 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
votes
2answers
86 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 ...
2
votes
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 ...
2
votes
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?
2
votes
1answer
816 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: ...
2
votes
5answers
851 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 ...
2
votes
2answers
420 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. ...
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
11k 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
2answers
246 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
votes
1answer
399 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
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
374 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
280 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
430 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
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
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
91 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
250 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
207 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
1answer
794 views

How to block docker-mapped ports with a firewall from outside the host without messing up docker routing inside the host?

I have a docker container running on a host with some port mapped to a port on the host. docker run -d -p 9009:9009 someserver I want this machine firewalled off from the internet except for 80, ...
2
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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
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
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 ...
2
votes
2answers
243 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
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
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
970 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
857 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
1answer
912 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
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
votes
2answers
813 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
7k 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
491 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
141 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
47 views

How is the Firewall taking priority over other applications when the PC first boots?

How is the Firewall taking priority over other applications when the PC first boots? How is the priority given,is it through a kernel driver? I'm using Comodo Firewall and I see that the Spotify app ...
2
votes
2answers
87 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
347 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
4answers
1k views

How to whitelist an IPv6 address in VPC security groups on AWS?

I cannot enter an IPv6 address in the inbound rules in AWS VPC security group settings. It says The source must be a valid CIDR (e.g. 0.0.0.0/0) or the ID of another security group and It wont let ...
2
votes
2answers
80 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 ...