Cisco Routers :: RV042 Leaves Ports 80 And 443 Open To Shields UP?
Jan 2, 2012
Is there a way to use QuickVPN with the RV042 without leaving ports 80 and 443 wide open to Shields UP! scans? As a workaround, I am forwarding these ports to a non-existent IP and forcing QuickVPN to use port 60443. Yes, 60443 shows as open too if I scan it, but at least it's not in the first 1056 ports.
Router is Linksys-branded, using latest firmware for this hardware (1.3.13.02-tm)
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Apr 18, 2012
A company with 20 branches in Rio de Janeiro area. The main servers are in a datacenter located in downtown.Each branch has a RV042 router with firmware version 1.3.12.19-tm (Feb 13 2009 13:03:21) installed.All users in this network have a proxy configuration pointing to proxy.[blah].com.br port 3128.the HTTP/HTTPS traffic should go through proxy only. [code] Some "smart" users were caught using Ultrasurf application, which changes the proxy settings to go through port 9666 or even 443.In other machines, we've found some black proxies [for example: 212.46.27.142 port 8080].
My objective:
- To close all ports in Firewall -> Access Rules section and grant permission only to some selected and specified ports.
- To redirect all HTTP/HTTPS connections to go to proxy's IP address only.
Which Access Rules can I set in these RV042s in order to block and prevent these users to continue abusing this network?The users who were caught using Ultrasurf were fired.
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Jan 17, 2012
I have a RV042 Dual Wan. Two internets balanced wow! who would've thought that the headaches were waiting patiently right down the corner.
I was working with a 2wire Gateway that came with my ISP. I was able to open the ports in order to have public access for my students and teachers to upload their work. All I had to do was to allow my server ip address to have access to different ports blocked by the ISP. I used [URL]
I bought the RV042 for various reasons like excellent content blocking, load balancing, quick vpn, among other. But I just can't open the port 80 while having having my two ISP connected with load balancing, not even while having only one modem connected.
I have resolved many issues using the protocol binding. I have tried everthing. I just don't undertand something.
Whenever I connect my server to my old router, "www.canyouseeme.org" tells me that my port 80 is open. Whenever I connect my servet to the RV042-DW, my port appears closed.
So it's not any OS issues.
I've tried:
- To forward the TCP 80~80 port to my server static ip address... but failed
- To enable UPnP function with the same port... but failed
- To configure the port triggering with the same port.. but failed.
- To disable the firewall.. but failed.
- To use transparent bridge in the WAN1 with my 2wire Gateway... but failed
- To set up an account in DNS.ORG already had one, everythings is in green.. but failed.
- To change the configuration in my old 2Wire Gateway router to allow a DMZ zone so all ports are public... but failed.
- To assign RV042 router ip address in my old 2Wire allowing that specific address to allow certain ports to be public... but failed.
I have the Firmware v4.0.4.02 from DEC/11
[URL]
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Dec 12, 2011
I have been trying for about a week to get open nat on my three xbox 360's I have in my home. Things came to a head last week when the gaming group and I tried to play over xbox live, but our games kept disconnecting. When I checked my network, none of my xboxes had open nat.
I had only one public ip at the time we had the trouble, but now I have 5 public ip's from comcast. Currently, I only have one of them setup with my router working as normal.
On that router, I have given the two xboxes static ips:
10.141.167.50
10.141.167.51
One of the xboxes is setup with port forwarding with the following ports:
3074 UDP/TCP
88 TCP
80 TCP
53 UDP/TCP
the other xbox is setup as a dmz host. The xbox that is setup with port forwarding gets open nat, but the other one, despite being the dmz host, does not get open nat.
The router is setup as follows:
10.141.167.1 - router ip
10.141.167.2-149 - dhcp server range
255.255.255.0 - subnet mask
My dns servers are from open dns. I have only one wan connection coming into the router also. That is through comcast business class. The connection is a 30/5mbps connection. One last thing, I have the latest firmware on the router as well. I updated it last thursday evening 12/8/2011.
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Dec 14, 2011
How to set this new router up correctly in a way that they can get open nat with one Xbox on the network?I have tried to setup the router so that I port forward the following ports:
UDP/TCP | 3074
TCP | 80
TCP | 88
UDP/TCP | 53
The xbox is setup with a static ip address:
IP | 10.141.167.50
Subnet Mask | 255.255.255.128
Gateway | 10.141.167.1
In addition to simple port forwarding, I setup access rules in the firewall with any source to go to the 10.141.167.50 single ip destination. I have also tried with port forwarding off, but upnp on, and the ports setup specifically in that screen for this xbox. Finally, I disabled the port forwardingin the upnp, as well as the port forwarding screen and simply setup port triggering, while leaving the upnp service enabled. After all of that, the xbox would not get open nat. It doesn't make any sense to me that this doesn't work. I even tried turning off all port forwding and triggering and putting the xbox in as the dmz host. No dice. I'm honestly thinking now that there is a problem in the firmware or something that requires some special workarounds. I'm on the new firmware (i.e. 4.1.0.2) and at the end of my rope.
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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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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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Jun 25, 2011
to access VOD database i must open three ports on the router - not sure how to
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Jan 30, 2012
I'm using a WRVS4400N and have all the proper ports open as well as the corresponding ones in the windows firewall. I've tested this with multiple port checkers online, such as grc.com. I've even go so far as to put one computer on a dmz and turn off the firewall on others. I've tested multiple ports on different computers. As well as from different remote gateways (other people's computers) just to see if it was a loopback problem.
I have the latest firmware installed and have done this from a clean install as well. This problem won't go away. My addy is nbcr [dot] dyndns.info if you'd like to have a test yourself and see that 118 is indeed closed.
I have an extensive computer repair background and run my own shop repairing computers, however networking is my weak area. Oh and its version 2.
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Aug 19, 2011
I've been having a lot difficulties to get Cisco RV042 v 3 run on both WLAN ports. I've tryed in Smart Backup Link and Load Balancing .... nothing.What I want to do is:
1 web server in LAN lets say IP 192.168.15.2
1 dns server in LAN lets say IP 192.168.15.4
I want to have the router running as Smart Backup Link in case one of the internet connections fails (I will say that the DNS server handles most of the domain names on the web server so it needs to be publicly available as well, and the main domain name of the web server is managed by independent DNS server somwhere in internet, so it has mechanism that can be use to change the entries let say DNS round robin way).
1. WLAN1 with PPPOE and WLAN2 with static ip by the second provider LAN fasion, ports forwarded to the web and the dns servers - NOT accesible. Router firmware latest version 4.
2. WLAN1 with static ip by the second provider LAN fashion, network normal operating but cannot access the server on port 80.
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Jun 28, 2012
I am trying to add a couple VOIP phone units that do not have their own router. They are designed to run of the existing router and have three ranges of UDP ports opened up. They also do not advise using internal (private) statics on the phones. So what they are asking for is three different ranges of UDP ports to be opened up to all behind the router?
I cannot figure out how to do this (or if it is possible) with a RV016.
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Nov 15, 2011
I recently installed an RV042 v1.1 vpn router (older hardware revision but using the latest available firmware 1.3.12.19-tm) and set up VPN access with the QuickVPN client. QuickVPN requires that the HTTPS setting be enabled under the Firewall options, so I did. I then scanned our static IP with grc.com's ShieldsUP! to check for open or non-stealthed ports and discovered that ports 80 and 443 show as wide open, while port 113 is closed but not stealthed. If I disable the HTTPS setting under Firewall, then ports 80 and 443 become stealthed. Is there any way to use QuickVPN and keep these ports stealthed?
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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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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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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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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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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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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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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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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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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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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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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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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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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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Apr 6, 2012
I have open my 25, 110, 80 port on my Server from local i can telnet all those via my private ip but from public ip its not responding.
2nd thing I can ping both ips of My server through private ip and through public ip.
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Mar 13, 2011
I need to open ports 5000 and 5001 on my Cisco PIX 501 to enable some users to be able to connect to our CCTV from outside, how should I open these 2 ports?
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Dec 1, 2011
I just finished implementing a VOIP install and I am trying to setup some softphones and in order to allow the softphones to work I need to open some specific ports for outbound. I am not a Cisco guy, I am a Windows Administrator that also has to maintain my Cisco infrastructure.
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May 9, 2013
I have an ASA 5505 with ASA version 7.2(2) and ASDM version 5.2(2) and I am attempting to open ports 88 and 5445 and forward them to the IP address of my DVR. This is all new for me. I see several posts for other software version to do this same thing but my version appears to be older?
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Mar 11, 2013
Received this notice from ISP. Does this make sense:We have noticed we are getting a huge number of queries from X.X.X.X and it is showing to be about 98% of the DNS traffic hitting our name servers. It appears that the data consists of reverse lookups to 10.1.0.0 network. It needs to be remediated as soon as possible because it could cause a service interruption.It almost seems as if my router is acting as a DNS server. The isp data consists of reverse lookups to 10.1.0.0 network which would be the internal.
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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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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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