firewall

Forum discussion tagged with firewall.
  1. stormtrance

    Question Home Network Connecting Ethernet - No - Wireless - Yes

    I admit that networking is not my forte in the least. I can do the standard sharing folders, checking permissions, etc but it doesn't extend past that. So when I can usually communicate with my second laptop in my house from my Windows 11 to Windows 10 all of a sudden stops, I'm a bit lost. I...
  2. Question Cannot open ports on my router

    Hello, Im trying to open ports on my router, TP-Link Archer VR400. The issue is that my public IP address indicating ALL ports closed, which is something I never experienced. Everything working fine, except Hamachi and stuff around hosting public Minecraft server. I tried open several ports, I...
  3. T

    Question Hi, using Windows Defender Firewall, how do I block a program from accessing a specific domain? Eg: Firefox from accessing bing.com I can see how

    Hi, using Windows Defender Firewall, how do I block a program from accessing a specific domain? Eg: Firefox from accessing bing.com I can see how I could block from certain IP addresses, but not the domains Thanks
  4. J

    [SOLVED] Help to find proper switch and configuration for home made door access system

    Hi everybody, As a software developer and an electronic hobbyist, I am working on my own door access system. This is going pretty well and I could already implement most of the required parts, but I am facing a last challenge: the network. This is a critical part of the security of my system...
  5. J

    Question "Connected and secured" but no internet access ?

    I have integrated wifi on my motherboard. One day my wifi went out, but in a strange way - the internet is "connected and secured" but there is no internet access, e.g. chrome can't load a page. Windows troubleshooter tells me that "Windows can't communicate with the device or resource (primary...
  6. E

    [SOLVED] Port trigger - how to setup

    Dear all 1. What is best security wise, Port forward or port trigger? 2. What ports shall I put in "Port target" and "Port trigger"? 3. CSGO use for example 27000-27031 UDP, so it opens up for 31 ports? Thank you for replying Best regards
  7. E

    [SOLVED] Windows Defender firewall advanced settings

    Hello! In Windows Defender firewall advanced settings 1. Is inbound and outbound rules the same as ports? 2. The programs with the green button / activated, are they blocked or allowed by the firewall? Thanks in advance for replying Best regards
  8. E

    [SOLVED] Router firewall ICMP risks and threats?

    Hello everyone I have found out, that my Router firewall has never blocked ICMP traffic. There is a lot of opinions online regarding ICMP, and whether it should be disabled or limited. So far I have found out, that it can exploited to monitor network traffic / I/O traffic (man-in-the-middle)...
  9. E

    [SOLVED] Risk of system getting hacked through the internet or Wi-fi?

    Dear everyone I am not a high profile person or anything like that. I just dislike the idea, that someone with bad intentions could access my personal files, documents, photos etc. (personal diary, baby pictures of my children etc.) I am not worried about anyone getting a look at my internet...
  10. E

    Question Microsoft Defender firewall o/i traffic - League og Legend / Riot

    Dear community My game League of Legends, it is not on the Microsoft Defender firewall list of allowed apps and functions, and yet I can play it. All my other games is on the list. This is the case on both my laptop and main PC. I looked in Firewall Advanced settings of Windows, on both the...
  11. pkhussein

    [SOLVED] Internet disconnects on other devices when downloading on epic games launcher.

    i have had this issue for a while now but i did not really try to fix it since i rarely downloaded anything from the epic games launcher, however recently i started to use it more and its getting annoying. Whenever i start a download on epic games, the internet stops working on all other devices...
  12. A

    [SOLVED] Port remains "filtered" after port forwarding

    Hello, I don't typically make my own posts, generally gleaning what I need from other topics, etc. So if there's something I've improperly formatted or posted in the wrong place, please let me know & I'll try to fix it. So, I've been trying to start up a Minecraft server for my friends & me...
  13. frankp70

    Question Unusual network behavior on Pi Zero W running Raspbian Buster 2020-02-27 release

    Not sure if this is a hardware or software (OS) issue, but here goes... I brought up a Pi Zero W last month running the then-current Raspberry Pi OS (Raspbian Buster) 20-02-27 release. It has updated itself to linux kernel 5.4.51+. This headless system is running 5 servers (of note): an RDP...
  14. C

    [SOLVED] How to be sure that a device on the local area network is not accessible over internet?

    How can I check that a device connected to my local area network (LAN and WAN) is not accessible from outside over internet? I use a router and its firewall seems enabled but I want to be sure that it actually works.
  15. S

    [SOLVED] Cisco ASA Help IPSEC Tunnel is up but I cant ping remote hosts and Vice Versa

    Hey as the title says, this is my first IPSEC tunnel I've set up it seems like almost everything is good and I have the tunnel active but I cant ping remote hosts I swear its like on config off from working so very simple set up here at my house (GFIREWALL) I use 192.168.2.0/24 and at the...
  16. S

    [SOLVED] HELP Firewall Expert, Setting up a Cisco ASA 5505 at home I can reach internet from ASA but not from computer inside LAN

    Setting up a Cisco ASA 5505 at home I can reach internet from ASA but not from computer inside LAN could someone help me? I have set the outside interface for DHCP and I can acquire my public IP address, I can ping outside, but inside devices can't ping anything or reach outside, also I'm a bit...
  17. B

    [SOLVED] Windows 7 Product Key Validation Error

    Hello, a long time ago, our family invested in a family laptop. That laptop was an ASUS G60VX with a completely legitimate version of Windows 7 Home Premium. About a month ago, I got my hands on a DELL Inspiron 570 Desktop computer with many missing parts. I replaced as many parts as I could...
  18. SimplyChai

    Question Router's Blocking Shield's Up (grc.com)

    Has anyone noticed various brands of routers blocking the "All Service Ports" scan function of Shield's up (grc.com)? Individual port scans (or common ports scan) on the same site pose no problem, nor do the individual or common port scans from any other site that allows you to test for open...
  19. A

    [SOLVED] Bridge mode - Firewall enabled or disabled?

    Hello! I have switched my modem to bridge mode. The NAT and DHCP disabled of cos automatically, leaving that to my router. The firewall + upnp stay enable. The connection is fine. I'm wondering, should I also disable the firewall of the modem, or that is not necessary/not affecting anything...
  20. Question Disable Firewall Notifications

    I turned off my Windows 10 Firewall because I never liked windows firewall ever but I keep getting notifications to turn it back on, I get like 5 per day I turned all of the notifications I can turn off but the f-ing notifications won't leave me alone
  21. Dcopymope

    Question Question about the firewall that comes with your modem

    Can the firewalls on the modems provided to us by the various service providers perform deep packet inspection or can it only do stateful packet inspections? :unsure:
  22. P

    Question When I use the Windows firewall to block all outbound programs, I lose my WiFi connection?

    Hi Folks - I need a little help please. I have a test system running Windows 10 and I need to block ALL outgoing communication except being able to use the Internet through FireFox. When I block all outbound connections in the "Public" tab of the firewall properties, I lose connectivity to the...
  23. marco6661

    [SOLVED] My internet crashed when i search ingame servers in CSGO after i changed my wifi adapter

    so recently i changed my wifi usb adapter to a PCI wifi adapter, i can browse the internet and download stuff on steam faster now but when i tried to play csgo and search matchmaking suddenly my internet crashed and my downloads also stopped on my pc, but when i'm back on the desktop again the...
  24. mangaman

    Question Blocking ports in Firewall but nmap says otherwise

    I'm blocking ports in Windows Firewall, but when I run a loopback scan in Nmap, it says that the ports are open. I go into windows firewall and create a new rule in the "inbound" section. I set it to "block the connection", then specify the port and protocol. I save it for public, private and...
  25. oxidioveg

    [SOLVED] why are all my ports closed ?

    recently steam has stopped working properly , 0kbs download , online matchmaking doesn't work etc.. i thought that my net is just being slow , but everything else was working fine(uplay,epic launcher...) until i checked the ports & i'v found all of my ports closed like all of them even the...
  26. editor1

    [SOLVED] Can I run/have GlassWire and commodo fire wal at same time ?

    Hi I'm a little confused about glassWire's fire wall. Can I run/have GlassWire and (commodo or windows) fire wall at same time ?
  27. willyburns

    [SOLVED] Do I need antivirus software on my PC now that I have a good wireless router?

    Hello people! I have setup a new network using a BT Openreach Huawei HG612 modem and an ASUS ROG Rapture GT-AC2900, which replaced the nasty lump of plastic that TalkTalk made me purchase with their fastest broadband package, which is laughably up to 70.2Mbps (I should've stayed with Virgin...
  28. Question Need help with network setup to connect to VPN server

    Hi, So I've been instructed to connect to a VPN server that a colleague has set up, he gave me an IP and Port and which Protocol to use (UDP) that i should open as outbound connection in the firewall. The idea is that a Linux controller and a PC is communicating with each other in a private...
  29. M

    Question Cannot connect to router IP or printer IP

    Hello, As the title describes I am having an issue where I cannot connect to my router's IP nor my printer's IP with my windows 10 desktop however I can connect with my laptop. The desktop can connect to the internet, only the IPs are blocked from accessing the. I was using BitDefender and...
  30. W

    Question Working on new pfsense firewall

    I’m working on building a new pfsense firewall for our business, probably in abit over my head here. Currently using and old PC with pfsense installed. We have it set up to allow “email only” but are looking to add filtered browsing on select devices on the network. Should mention current setup...
  31. F

    Question How can I block communication with specific IP address AND specific port?

    I am doing some testing on a program connected to two DBs with same IP address and different port. I need one of the DB to be online and the other to be unreachable. I presume that the easiest way would be blocking communication with given IP and port (as I cannot change easily the configuration...
  32. MarshTheBacca

    Question How can I Create a Shortcut to a Specific Page in the Control Panel?

    I find myself going into control panel to get to 'Allow an app or feature through Windows Defender Firewall' quite often, and I think it'd save me some time to just create a shortcut on my desktop that I can just double click to instantly get to that window. I've tried manually creating a...
  33. rysani

    [SOLVED] Can use internet but can't play games

    As the title says I can browse internet but can't connect to online games like GameRanger, Age of empires (eso) and others. I need help with this its been more than a month I've not played my games due to this problem. Tried searching more than hundreds of fix's but that didn't solve any of my...