Scanning Open Ports On Network

Jan 24, 2012

My company deals in a video conference software which requires certain ports to be open to work correctly, including tcp and udp ports. Clients who want to test / purchase have different kind of network setup. I usually tell them to open those ports require by the software on their end. How do i ensure if the port range required by my software is open once I am at their location. I have installed a few network scan tools but not sure what ip do i scan. Should I scan my server's ip once I am at their location and connected ? or should I scan their gateway ?

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Home Network :: No Open Ports Despite Port Forwarding

Jul 10, 2012

I'm struggling to set up an SSH router and it always looks like the port is closed...

Here's my set-up

www>D-Link router (ADSL connection)>Linksys router (+Tomato)>Target PC

I have set up the Linksys router to be an SSH server running Tomato as described in many other forums. The "Tomato router" sits behind my ISP-provided D-link-2680 router.

The internal IP of the Tomato router is 192.168.1.200 and if I try: Code:

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Linksys Wireless Router :: WRT160N V2 - Open Up Ports To Get Open Connection On Xbox

May 23, 2012

I have the port numbers but do not know how to proceed from there.   Router is a WRT160N V2.

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D-Link DCS Network Camera :: DCS-942L / Ports To Open For Remote Viewing?

Mar 27, 2013

I have four DCS-942L cameras and a 2012 model Airport Express router.  I cannot view live video from outside the router  in any fashion other than mydlink.com's poor quality time-limited forwarded video.  Here is what I have done.I have manually mapped four TCP ports through the router for accessing the cameras' web servers.  This works--I can access the camera settings that way, albeit with NO SSL support (dammit).  So, fundamentally, port forwarding works on this router.  The "live view" accessed through the camera's web server does not work, though.I mapped port 554 on each camera to ports on the WAN side of my router, TCP and UDP.I have made sure that the external ports set on the camera under "Enable UPNP port forwarding" are the same as the external ports set on my router.  (Otherwise the web server wouldn't work from outside.)When I access the mydlink web site from inside the LAN, I can view my video.  When I run netstat -n -p tcp, I can see connections open to the local 192.168.0.* addresses of my cameras, so it is connecting via the LAN.If I connect to the Internet outside my LAN, and use the mydlink web site, I get the forwarded, mini-sized video with a 60 second limit.  netstat reveals that connections are being attempted to the INTERNAL ip addresses of my cameras, which of course cannot succeed from outside.  In addition, if I try to stream video using QuickTime Player from outside, using the URL [URL], the player connects, then says "waiting for stream" and then "switching transports."  It gets stuck there and does not proceed.  On the LAN, using the local IP address, I can stream video just fine.

Any way to change this?What other ports do I need to open to make the video stream work?  I tried mapping ports 5556-5559 to one of my cameras, but that did not work.  Also, I have four cameras and need to be able to map to all of them for this to work.The AirPort Express supports "NAT Port Mapping Protocol" which, from my limited research, is not the same as UPNP.  How to successfully viewed video from outside a router without using UPNP?I have scoured these forums considerably and have read some success stories using UPNP.  From the DCS-942L manual, it seems like I should be able to set up manual port forwarding in some fashion to make the video stream work.  Clearly, though, some auxiliary connection is being attempted and the client cannot get through to the camera.  Is it possible to even pick this statically, or is the port always dynamically chosen by the camera and therefore absolutely must be set up on the router using UPNP?  If I can't make static port forwarding work, then these cameras are headed to camera heaven soon.

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Scanning An External Network Through UDP / ARP Scan?

Jun 24, 2011

the setup is as follow: I have two separate network.192.168.90.xx and 10.10.xx.xx the two boxes being connected via an ethernet cable. How would I go about having a 192.(...) machine speak to a 10.(...) box? My boss tells me that via a UDP call the 192.(...) machine can get the IP of a 10.(...) box. Isn't UDP dependant on a subnet mask to limit the # of queries, and in that case would it even be feasable? I was thinking instead of spoofing the 192.(...) IP to an unoccupied 10.(...) IP. Of course to do this would require knowing what IPs are unoccupied on the other network, and I cannot assume the would respond to pings.

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How To Allow All Ports To Open

Feb 2, 2013

How can I allow all ports to be open? I don't really want my 1811 to block any traffic. I tried the command access-list 1 permit any which allows me to surf the internet, but when I check my web server, and port 3389 (Remote desktop) on yougetsignal.com it says those ports are blocked.

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Open Ports To IP's On Games?

Mar 9, 2011

I was told i need to open certain ports to certain IP's,what ports need to be opened to what IP's for the folowing game as im close to giving up.The games are as follows - Call of Duty 4, Counter Strike 1.6 and Source, Warcraft III, and StarCraft 2

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How To Open Modem Ports

May 15, 2012

The problem is I don't know what to do to open my modem's ports because every single of them except of 80 is blocked,im having some latency problems on online games etc, I asked my ISP and they didnt probably understand what the port is they offered me changing my IP to PUBLIC IP for onetime payment, seeing as they probably dont know what the port is im confused now, will the public ip unblock the other ports?

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No Ports Seem To Open Up According To Routers GUI

Apr 6, 2012

No ports seem to open up when they are supposed to be open according to the routers GUI.When i use "port checker"-websites, they even say that port 80 is closed until i actively open it in the router, then it shows up as open. This however only applies to port 80, no other ports shows as open OR allow any traffic through.The same thing happens when the router is in DMZ.What I have done so far is google my butt off without any results, I have tried a new router, a new network card, formated, re-installed windows and made sure that my ISP is not blocking the ports that i have tried to open.My purpose of opening a port is to run a mumble server, which I have run on a Hamachi VPN so far, and that has worked fine.

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Unable To Open Up Ports?

Sep 15, 2011

I can't open up any ports.I've tried using applications such as Simple Port Forwarding, PFPortChecker and manually by opening my router gateway (192.168.1.1).I can open a port, but if I check whether the port is open, it says that the port is closed. I tried opening ports through Windows Firewall and even disabling firewall, still won't work.

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Open Ports Though No Router?

Apr 3, 2011

My reports say that my listen ports are blocked even though I removed my router already. I've enabled these ports in Windows firewall already. Why are they still blocked?

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How To Open Ports For Multiple Ips

Nov 26, 2011

I have 3 xbox 360s in the house and im having nat trouble with them, i am currently using an actiontec pk5000, from centrylink. i need to know if there is a way to open all ports on this router or if i should get a router/switch that i can open the ports on and use dmz on the actiontec for the new router to make this work.

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Are Open Ports Dangerous?

Dec 6, 2012

I am thinking about opening a port for a certain multi-player game. I was just hoping to know if opening a port for this game could leave me vulnerable to hacking or other stuff like that.

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D-link 524 - Can't Open Ports

Feb 9, 2011

I have this problem i can't open my ports on my D-link 524, i have opened about 6 ports so that my XBOX 360 works with a open nat, i have also set the DMZ to my xbox's IP which is static btw, my PC is also static. This is how i basically tested and it told me that it was not opened. I went into:

192.168.0.1 -> Advanced -> Virtual Servers ->

Enabled

Name: XBL1

Private IP: 192.168.0.100 ( because i was testing it on the computer - if it
were 360 it would be .141 )

Both UDP and TCP at port 3074

Schedule=Always

Apply -> Then restarts modem/router i waited for 2 minutes before turning them on again, i turned router on first because some guide told me to do that.

I did exactly what they did on portforwarding.com then i opened up portchecker and typed in 3074 and pressed check -> This port is NOT opened. What is wrong? This is how my net is set up.

Modem ZyXEL -> D-Link 524 -> D-Link DGS 1005D -> Computer/XBOX.

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Cisco WAN :: 877 / Can't Open Ports Outside

Feb 10, 2012

I have a Cisco 877 connected to a VSAT modem, and I can't open ports outside, I dont know why?The Cisco 877 Fa0 port is connected to the VSAT modem at VLAN9, and the rerst of ports are connected to the local lan network at Vlan2. I can enter to Internet, but I can't open port outside. ADSL over pots is not used here.I need to open port 81 for ip address 192.168.1.130 and I dont know why this isn't working. Also if I do: sh ip nat translations I see this:
 
sh ip nat translations
cisco877#sh ip nat translations
Pro Inside global      Inside local       Outside local      Outside global
tcp 172.30.xx.122:81   192.168.1.130:81   ---                ---
udp 172.30.xx.122:81   192.168.1.130:81   ---                ---

[code].....

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Routers / Switches :: How Do FPS's Open UDP Ports

Nov 29, 2011

How do FPS's open UDP ports without needing to configure the router to forward them?I never have to forward ports from my router to my PC. Every game i have somehow manages to open the UDP ports it needs without me having to configure my router. Yet when i check to see if those ports are open (prior to starting the programs) they always come back as blocked or closed. Now I'm currently working on a UDP Internet program and need to know how to do the same thing - open ports on a router without having to make the customer configure their routers. I'm THINKING that other programs start with a TCP/IP connection on the desired port and that opens the UDP port. Is this the answer or is there another method used?

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What Does Open Ports Means In Router

Sep 12, 2011

by saying "open ports" in a router or PC or other Network System what we mean basically? what is opposite terminology, "closed ports"?-used or unused-sensitive-vulnerable or non vulnerable to attacks-exploited easily and when so may attacked and have much bad/serious consequences/results

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Open Ports For 2210 Modem?

Jan 31, 2011

Been trying for hours to open the ports on a motorola 2210-02-1022. I have a linksys wireless router. I think the default IP is 192.168.0.1 I put this in browser and get a user name and password window. What do I do from there. I have the port numbers from xbox.

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Routers / Switches :: How To Open Three Ports

Jun 25, 2011

to access VOD database i must open three ports on the router - not sure how to

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Cannot Get Any Of The Standard Ports Open On Computer

Jun 2, 2011

why I cannot get any of the standard ports open on my computer. I have run ESET firewall/antivirus, but have it temporarily disabled. I have windows defender disabled. I have the correct ports open/bypassed through my linksys router, but still am having network trouble.

Tech Support Guy System Info Utility version 1.0.0.1
OS Version: Microsoft Windows 7 Enterprise , 64 bit
Processor: Intel(R) Core(TM) i7 CPU 920 @ 2.67GHz, Intel64 Family 6 Model 26 Stepping 5
Processor Count: 8
RAM: 6135 Mb
Graphics Card: ATI Radeon HD 4800 Series , 1024 Mb
Hard Drives: C: Total - 953866 MB, Free - 610614 MB;
Motherboard: ASUSTeK Computer INC., P6T DELUXE V2, Rev 1.xx, MS1C96B19100148
Antivirus: ESET Smart Security 4.2, Disabled

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Cannot Open Ports On Linksys Router?

May 27, 2012

I have been trying to host games for some time now with no luck. I believe it is because i cannot open the proper ports. I own a Linksys BFSR41 Ver. 4 router. I have been trying to open ports, testing them on a port checker website and they are always listed as closed. I have followed the guide on portforward.com perfectly with no luck.I have disabled Block Anonymous Internet Requests.I have disabled my Windows firewall, and AVS. Still cannot open ports.I have also updated to the latest firmware. I am using Win-7 x64.

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How To Open Ports 443 / 11002 And 11001 On XP

Apr 16, 2012

How to open ports 443 , 11002,11001 on xp

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How To Open Ports For All The Ips On Dedicated Server

Apr 28, 2012

How do I open all the ports for ALL of the ips on my dedicated server. I opened all the ports for the main ip that I RDP (Terminal Connection) into, but I can't seem to open the ports for the other ips that I got from my dedicated server provider.

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Open Some Ports On A Linksys E1000?

Feb 7, 2011

I am trying to Open some ports on a Linksys E1000. When I run the Shield Up test to see the status of my ports the ones I want to open are closed which is normal but when i try to portforward any port the status goes from closed to stealth. That really does not make any sense to me why when trying to open a port it becomes even more secure then if I did not try to open it. I turned off the firewall and the only thing I see might be the wireless security on the router. I have no idea what that means tho so idk if it is even a firewall.

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Can't Open Ports On Modem / Router

Oct 18, 2012

I am considered as a novice when it comes to networking, modems/routers etc.I have a Belkin Modem/Router, I need ports TCP 80, 2300 and UDP 2310 I think to be forwarded so I can play a certain game online (Age of Empires 3). I have tried DMZ mode for my pc and I can play the game online but only with DMZ enabled. Just some extra info.Belkin Modem/Router model : F5D7634-4A-H v2 (on the device)F5D7634-4-H v2 (01) (on the online settings (192.168.2.1))It has the latest firmware as I have clicked on the firmware update and it says "There is no new firmware update available for this Router!"

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Unable To Open Ports Or Create VPN?

Aug 31, 2012

A year or so ago, when Verizon was my ISP, I ran a Minecraft server with a Hamachi VPN. I had looked into forwarding ports at the time, but decided to go the VPN route because I wasn't completely sure how to assign a static IP to a computer on the network. I had absolutely no issues setting up the VPN or hosting a server on the network.Recently I decided to give port forwarding a go again. I successfully assigned the static IP and put the port number into my router's port forwarding settings, but the port was still closed. I tried using online port checker tools and having friends try to log into the Minecraft server. No luck.After reading multiple port forwarding tutorials to make sure I had everything correct and double- and triple-checking all my settings, I began to suspect that something else was causing the problem. I have an older router set up as a repeater on the network so my family can connect to the Wifi network from anywhere in our house. Thinking maybe the repeater or even the main router itself was to blame, I decided to try another router. After disconnecting the current routers and setting up a spare router I had, I tried everything again. Still no luck.

I tried opening different ports unsuccessfully. No port I tried opening would work. I decided to give in and just set up Hamachi again, since that had worked flawlessly before. However, after setting up a Hamachi VPN, I realized people could join the "room," so to speak, but could not connect to the VPN itself. Even hosting a Minecraft server over Hamachi wasn't working this time.Assuming it was just an issue with Hamachi, I tried another VPN software. I got the same error - people could log in, but not connect to the VPN. Thinking back to the port checker telling me port 80 was closed, I pretty well gave up.I've walked one friend through setting up a VPN the exact same way I did, and it worked on the first try. I walked another friend through assigning a static IP and forwarding ports. I don't know what's different about my network that won't allow either of these things. I've searched my router's configuration for any setting that would override port forwarding or block a VPN, but I can't find anything.

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D-Link DIR-615 :: How To Open More Than 24 Ports On This Router

May 14, 2011

 I want to open MORE than the 24 ports that the router configuration allows (DIR-615  Hardware Version: C2    Firmware Version: 3.03RU)?

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D-Link DIR-615 :: Cannot Open Ports On Router

Jul 16, 2011

cant open the ports 2300 -2400 (udp, tcp)on router. What I do isthe following.

1. Open ports on router in port forwarding.

2. Add the triggers as well  in  APPLICATION RULES with the ports. Triggers are 47624 and 6073.

3.  Try both Dis and Enable UPNP. Even try the DMZ enabled settings.

4. Disabling firewalls on Laptop and router. Try both ways on DMZ's(enable and disable) settings on router. Check everything.

Still when I check on websites about the ports and they are shown closed (NOT STEALTH). Router uses a firmware 4.0. I have a windows 7 64 bit system. I use wireless.

Note: All the steps are performed in a combinations manner to see if there is any possibility of opening ports.

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Cisco WAN :: Open Ports On ASA 5505?

Dec 26, 2010

I need to open ports 25, 993, 995, 443 and 465 to setup MS-Exchange.  I don't have an inhouse IT guy and this seems pretty straight-forward in theory but I can't figure it out I need to open ports 25, 993, 995, 443 and 465 to setup MS-Exchange.

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Cisco VPN :: 5510 - How To Open All Ports

Jan 22, 2013

I'm setting up a second exchange 2010 server at a DR location and have been experiencing some problems.  The two sites are connected via a pair of ASA5510's using the point to point VPN.  I want to rules out any possible VPN issues that may be blocking ports and wanted to see if there is an easy way to do this and simply allow all traffic without any restrictions between the two ASAs.  I've attached the scrubbed configs here...Ewing is the primary site and DBSi is the DR site. 

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May 14, 2011

what command should I use to see all open TCP and UDP ports on my router?

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Cisco :: Added New Server To PIX But Ports Not Open

Aug 22, 2012

I am pretty new to Cisco - and I have a little 506E that I love. I got it working with my first scenario where I have one server that is my web, and e-mail server.I also opened the RDP port so I can remote into it. The IP's for the old server are internal 192.168.1.23 name ferbweb-external 71.12.111.219 name ferbwebpub. Now - I need to add another server in the exact same way with the same ports 80, 25, and 3389 open to the outside - IP's internal 192.168.1.31 name ferbmail and external 71.12.111.220 name ferbmailpub.I can get to all of these ports on the new server on the inside network - so that is not the problem.So, I went into the config, copied the statements for the old server, and changed them for the new server and added them to the config. I can still get to the old server from the outside fine, but cannot get to any ports on the the new server from the outside at all.I have done a lot of research, and cannot find what I am doing wrong.

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Aug 26, 2012

How to open udp ports on my home gateway router

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