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  • Port Forwarding

    - by Ahmet Altun
    Assuming port forwarding is done on router, can the router forward if the data is coming from local machine, rather than remote. For example: Sender targets ip like:88.251.xxx.xxx, port 8999. Receiver listens to that port. Router, forwards 8999 to receiver. They are all on local network. Should it run well?

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  • Symantec Gateway Security 320 VPN/Port Forwarding trouble

    - by Owl
    How do I check to see if port forward is enabled with one of my dynamic tunnels on this device? I'm having trouble using a feature in our software that requires a vpn to be used. My firewalls shows it as connected but I'm unable to ping the subnet ip. Our software vendor told me that port forwarding might be causing this problem, but I didn't set up this network I'm on and I don't fully know symantec hardware.

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  • Mass Port Forwarding?

    - by Devoted
    Hi I had trouble but I finally port forwarded 21-23 and thus got SSH working on my Ubuntu machine. If I want to do other things with it such as FTP, should I just port forward 1-10000 so I don't have to worry about port forwarding each individual port? What are the advantages/disadvantages of this?

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  • How do I limit concurrent sftp / port forwarding logins

    - by Kyoku
    I have ssh set up so my users can only access sftp and port forwarding, how can I limit the number of concurrent logins on a per user basis? In my sshd_config I have UsePAM set to yes and in /etc/security/limits.conf I have: username - maxlogins 1 I also tried: username hard maxlogins 1 Neither of these works and the users can still log in multiple times.

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  • VirtualBox VM running web server not accessible via external IP

    - by mwigdahl
    I have a Windows 7 machine running VirtualBox with an Ubuntu guest. The guest has a Bitnami LAMP stack installed. I have the guest configured for Bridged networking, and I can access the guest web server just fine from other machines on my LAN using the guest's IP. I'm trying to configure port forwarding so that I can access the web server from outside my LAN. (The router is a 2WIRE model as I'm on ATT's UVerse). I've set up port forwarding for ports 80 and 443 to the guest's IP in a similar manner to how I had them set up for my previous, physical web server, which worked just fine. However, I cannot seem to access the new, virtual web server using my external IP on the forwarded port. I suspected Windows Firewall issues on the host, but disabling it didn't solve the issue. Anyone have advice on what I should try next? EDIT: I've now attempted disabling the firewall on the guest with sudo ufw disable -- that doesn't seem to help either. However, after checking the router's port forwarding in more detail I may see the problem. My VM is named "linux" and in the router's configuration pages it shows up inconsistently. Sometimes it reports with a valid LAN IP and other times it doesn't show up with any IP. Even when it shows the correct IP the router indicates that it is disconnected. Could this be an indication that the 2WIRE router doesn't play well with VirtualBox's bridged networking mode?

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  • Scripted redirection for Outlook 2003

    - by John Gardeniers
    We have a staff member in sales who has gone onto a 4 day week (getting ready for retirement), so each Thursday afternoon her email needs to be forwarded to another user and each Friday afternoon it needs to be set back. I'm using the VBS script below to do this, run via the Task Scheduler. Although the script appears to do it's job, based on what I see when I view the user's Exchange settings, Exchange doesn't always recognise that the setting has changed. e.g. Last Thursday the forwarding was a enabled and worked correctly. On Friday the script did it's thing to clear the forwarding but Exchange continued to forward messages all weekend. I found that I can force Exchange to honour the changed setting be merely opening and closing the user's properties in ADUC. Of course I don't want to have to do that. Is there a non-manual way I can have Exchange read and honour the setting? The script (VBS): ' Call this script with the following parameters: ' ' SrcUser - The logon ID of the suer who's account is to be modified ' DstUser - The logon account of the person to who mail is to be forwarded ' Use "reset" to clear the email forwarding SrcUser = WScript.Arguments.Item(0) DstUser = WScript.Arguments.Item(1) SourceUser = SearchDistinguishedName(SrcUser) 'The user login name Set objUser = GetObject("LDAP://" & SourceUser) If DstUser = "reset" then objUser.PutEx 1, "altRecipient", "" Else ForwardTo = SearchDistinguishedName(DstUser)' The contact common name objUser.Put "AltRecipient", ForwardTo End If objUser.SetInfo Public Function SearchDistinguishedName(ByVal vSAN) Dim oRootDSE, oConnection, oCommand, oRecordSet Set oRootDSE = GetObject("LDAP://rootDSE") Set oConnection = CreateObject("ADODB.Connection") oConnection.Open "Provider=ADsDSOObject;" Set oCommand = CreateObject("ADODB.Command") oCommand.ActiveConnection = oConnection oCommand.CommandText = "<LDAP://" & oRootDSE.get("defaultNamingContext") & ">;(&(objectCategory=User)(samAccountName=" & vSAN & "));distinguishedName;subtree" Set oRecordSet = oCommand.Execute On Error Resume Next SearchDistinguishedName = oRecordSet.Fields("DistinguishedName") On Error GoTo 0 oConnection.Close Set oRecordSet = Nothing Set oCommand = Nothing Set oConnection = Nothing Set oRootDSE = Nothing End Function

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  • Open ports broken from internal network

    - by ksvi
    Quick summary: Forwarded port works from the outside world, but from the internal network using the external IP the connection is refused. This is a simplified situation to make the explanation easier: I have a computer that is running a service on port 12345. This computer has an internal IP 192.168.1.100 and is connected directly to a modem/router which has internal IP 192.168.1.1 and external (public, static) IP 1.2.3.4. (The router is TP-LINK TD-w8960N) I have set up port forwarding (virtual server) at port 12345 to go to port 12345 at 192.168.1.100. If I run telnet 192.168.1.100 12345 from the same computer everything works. But running telnet 1.2.3.4 12345 says connection refused. If I do this on another computer (on the same internal network, connected to the router) the same thing happens. This would seem like the port forwarding is not working. However... If I run a online port checking service on my external IP and the service port it says the port is open and I can see the remote server connecting and immediately closing connection. And using another computer that is connected to the internet using a mobile connection I can also use telnet 1.2.3.4 12345 and I get a working connection. So the port forwarding seems to be working, however using external IP from the internal network doesn't. I have no idea what can be causing this, since another setup very much like this (different router) works for me. I can access a service running on a server from inside the network both through the internal and external IP.

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  • .NET SSH Port Forwarding

    - by Ronnie Overby
    I am trying to build in SSH port forwarding into a .net application that I am writing. I have tried using sharpSSH, but it requires the user to input their password every time, and I don't want that. I am going to handle storing the password. I have downloaded Granados, but there is basically zero documentation for it. While I sift through the Granados source, does anyone know how to accomplish port forwarding with Granados or any other free SSH library for .NET?

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  • regarding port forwarding

    - by giri
    Hi I have designed a chat application using servlets and jsp. I do not like it to host on any web hosting sites. I wanna make my computer only as server and wanna make it accessible to the users of different network. Can anybody explain me how can this be achieved. I will be really thankful. I was said that use port forwarding how can this be solved using port forwarding?

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  • Open port in gufw is closed, no incoming connection on deluge

    - by user66987
    I have a problem configuring gufw. I open ports on it, but when i test in deluge it shows as closed. Any help on setting up the firewall would be greatly appreciated. This is the output I get on the firewall in terminal: Active Internet connections (only servers) Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name tcp 0 0 127.0.0.1:53 0.0.0.0:* LISTEN 1346/dnsmasq tcp 0 0 127.0.0.1:631 0.0.0.0:* LISTEN 970/cupsd tcp 0 0 0.0.0.0:55521 0.0.0.0:* LISTEN 17362/python tcp6 0 0 ::1:631 :::* LISTEN 970/cupsd tcp6 0 0 :::55521 :::* LISTEN 17362/python udp 0 0 10.0.0.125:1900 0.0.0.0:* 17362/python udp 0 0 127.0.0.1:1900 0.0.0.0:* 17362/python udp 0 0 0.0.0.0:1900 0.0.0.0:* 17362/python udp 0 0 127.0.0.1:53162 0.0.0.0:* 17362/python udp 0 0 127.0.0.1:53 0.0.0.0:* 1346/dnsmasq udp 0 0 0.0.0.0:68 0.0.0.0:* 1312/dhclient udp 0 0 10.0.0.125:36948 0.0.0.0:* 17362/python udp 0 0 0.0.0.0:37240 0.0.0.0:* 17362/python udp 0 0 10.0.0.125:6771 0.0.0.0:* 17362/python udp 0 0 127.0.0.1:6771 0.0.0.0:* 17362/python udp 0 0 0.0.0.0:6771 0.0.0.0:* 17362/python udp 0 0 10.0.0.125:50034 0.0.0.0:* 17362/python udp 0 0 0.0.0.0:58340 0.0.0.0:* 982/avahi-daemon: r udp 0 0 0.0.0.0:5353 0.0.0.0:* 982/avahi-daemon: r udp 0 0 0.0.0.0:56947 0.0.0.0:* 17362/python udp 0 0 127.0.0.1:57059 0.0.0.0:* 17362/python udp6 0 0 :::49793 :::* 982/avahi-daemon: r udp6 0 0 :::5353 :::* 982/avahi-daemon: r kenneth@kenneth-K53U:~$ sudo ufw status Status: aktive Til Handling Fra --- -------- --- 6881:6891/tcp ALLOW Anywhere 6881:6891/udp ALLOW Anywhere 55521/tcp ALLOW Anywhere 6881:6891/tcp ALLOW Anywhere (v6) 6881:6891/udp ALLOW Anywhere (v6) 55521/tcp ALLOW Anywhere (v6) I also want to be able to use the firewall with linuxdc, so I need other ports open as well. This is connected to the firewall. Because when I turn off the firewall, the port is open. So this is not a problem with my modem. Do I need the firewall? The broadband modem has a hardware firewall. Update: Forgot to add. When my firewall is inactive, it closes ports after a time. So when I use linuxdc, I have to flush iptabels and activating it again. Is this supposed to do this when the firewall is deactivated? Update again: All my ports are closed now, flushing the iptable does not work anymore. I have uninstalled gufw, but still all my ports are closed. And to say it again, this has nothing to do with my broadband modem since it worked when I used windows 7. I need help to open the ports.

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  • Connect to MySQL on remote server from inside python script (DB API)

    - by Atul Kakrana
    Very recently I have started to write python scripts that need to connect few databases on mySQL server. The problem is that when I work from office my script works fine but running a script from my home while on office VPN generates connection error. I also noticed the mySQL client Squirrel also cannot connect from my home but works fine on Office computer. I think both are giving problem for the same reason. Do I need to create a ssh tunnel and forward the port? If yes how do I do it? mySQL is installed on server I have ssh access. Please help me on this AK

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  • How do I X forward a Windows application to a Linux system using ssh?

    - by triunenature
    Ok, so if I have two Linux Machines (A and B) and I have a program on one, and want to run it on be I do: user@LinuxA:~$ ssh -X LinuxB user@LinuxB:~$ programName (Displays on LinuxA machine) Ok same thing, WindowsA LinuxB (Program on Linux) Start Xming X Server on Windows Run Putty, use x11 port forward with :0.0 After connect to LinuxB, run program, it loads in Windows! Now here is the question, WindowsA LinuxB, (Program on Windows) Run Windows Program On Linux, using a windows resources. How to make it work? BTW, I know it can because years ago, I read a white paper on it, but never actually tested it out.

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  • How can I use domain masking without having self referral in Google Analytics

    - by Cdore
    I have one old domain that points to a website's server's ip (let's call it www.oldsite.com). I have a new one, www.newsite.com, that is set up to be forwarded to a specific page on the website. Due to the way the host of newsite.com places the website in a frame, in Google Analystics, the newsite.com is listed as a source rather than the source they were at before hand, causing a self referral. A solution is to edit the code of the iframe as I looked up, but there's no way to really edit the host's masking source code of course. Another solution I did previously was have www.newsite.com point to the address that www.oldsite.come pointed to. It solved the analytics problems, but in exchange, the url masking no longer worked. In the address bar, it came up as www.oldsite.com. Is there a way to make me have url masking and be able to forward to agree with google analytics? The server of the website is hosted on a cloud server, if this is anymore information.

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  • Web hosting announced downtime and how it affects FORWARD domain names?

    - by maple_shaft
    Our web hosting provider that holds our FORWARD domain names announced that at some point in the next couple weeks they will be migrating servers and that this will cause a 5-10 minute downtime at some point in that week during what happens to be our core business hours. They cite for technical reasons it is impossible to give an exact date or time when this downtime will occur. My questions are: If my domains are set to FORWARD to a static IP on servers not hosted by the web hosting provider in question then will this affect the DNS servers correctly routing to my website? Are their legitimate technical reasons for such a wide window of time, or could this just be a blanket statement to cover laziness in not being more organized with their server migrations? Are such downtimes normal for web hosting providers, or should I start to consider other providers?

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  • Blackberry Enterprise Server v5.x not forwarding mail to devices

    - by TheWellington
    My BlackBerry enterprise server recently stopped forwarding messages to devices. In fact, the server claims that the last time it communicated with all the devices associated with it, was on Thursday night (2 nights ago.) The catch is this, the Exchange server is running properly (or as properly as Exchange can run :) ) The SQL server seems to be running properly. And the Blackberry Enterprise server seems to be running correctly. Other than the fact that the server has not communicated with my device since Thursday, and the fact that I am not getting messages, there is nothing wrong. How do I get these message to be forwarded to devices again? I have restarted the BES services int he order suggested by the BlackBerry folks

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  • Port forwarding (portmap) works only locally

    - by Tag Wint
    There are four hosts hostA winXP hostB Win2003 hostC Linux RHEL hostD Linux RHEL hostA cannot connect to C and D directly, but B can hostA connects to hostB using VPN hostB and hostC belong to the same subnet1 hostD is in subnet2 From hostA I need to connect to hostC and hostD by SSH. Now I can do it as follows: 1.connecting from hostA to hostB by RDP logon and there: 2.start putty client. I'd like to omit step 1 and connect from A to C and D directly On hostB I have admin acoount and configure port forwarding as follows: netsh interface portproxy add v4tov4 listenport=N1 connectaddress=hostC_IP connectport=N2 netsh interface portproxy add v4tov4 listenport=N3 connectaddress=hostD_IP connectport=N2 netsh interface portproxy show all: Listen on IPv4: Connect to IPv4: Address Port Address Port --------------- ---------- --------------- ---------- * N1 hostC_IP N2 * N3 hostD_IP N2 Now from hostB I can connect to either C and D: ssh localhost:N1 ssh localhost:N3 from hostA ssh hostB:N1 works too, but ssh hostB:N3 DON'T I guess the reason might be different subnets, still have no idea how to fix it. What should I do?

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  • X forwarding over SSH from Mac to a Linux box

    - by Checkers
    I need run Mac applications on a remote Mac machine and display it on a local Linux machine's X server (a lot of articles on the Internet seem to be detailing how would you do it the opposite way). $ ssh -X mac-box $ cd /Developer/Applications/Xcode.app $ ./Contents/MacOS/Xcode Sat Oct 3 20:41:26 mac-box.local Xcode[15634] <Error>: kCGErrorFailure: Set a breakpoint @ CGErrorBreakpoint() to catch errors as they are logged. _RegisterApplication(), FAILED TO establish the default connection to the WindowServer, _CGSDefaultConnection() is NULL. ^C My $DISPLAY variable appears to be empty. What should it look like so that forwarding works correctly? Can I run OSX applications this way at all?

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  • forwarding port 3306 on macosx in order to connect to a remote mysql db

    - by Jonathan Mayhak
    I'm on macosx 10.6.2 trying to connect to ubuntu server 8.04.1 at linode. ssh -L 127.0.0.1:3306:[[remote ip]]:3306 user@server -N I want to set up ssh tunneling so that I can access a remote mysql server. First of all, I'm told bind: Address already in use. This is only after I've tried the command before. How do I manually close a port forwarding session? Second, when I change the command to be ssh -L 127.0.0.1:3310:[[remote ip]]:3306 user@server -N (I changed the local port to listen on). I'm told channel 1: open failed: connect failed: Connection refused when I try to connect to the mysql server via mysql workbench or sequel pro. To connect through mysql workbench I use the following settings: host: 127.0.0.1 port: 3310 (if 3306 is in use) username: mysql username password: mysql password database: I don't put anything in

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  • Forwarding port 3306 on Mac OS X in order to connect to a remote MySQL Database

    - by Jonathan Mayhak
    I'm on Mac OS X 10.6.2 trying to connect to ubuntu server 8.04.1 at linode. ssh -L 127.0.0.1:3306:[[remote ip]]:3306 user@server -N I want to set up ssh tunneling so that I can access a remote mysql server. First of all, I'm told bind: Address already in use. This is only after I've tried the command before. How do I manually close a port forwarding session? Second, when I change the command to be ssh -L 127.0.0.1:3310:[[remote ip]]:3306 user@server -N (I changed the local port to listen on). I'm told channel 1: open failed: connect failed: Connection refused when I try to connect to the MySQL server via MySQL workbench or sequel pro. To connect through MySQL workbench I use the following settings: host: 127.0.0.1 port: 3310 (if 3306 is in use) username: mysql username password: mysql password database: I don't put anything in

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  • xinet vs iptables for port forwarding performance

    - by jamie.mccrindle
    I have a requirement to run a Java based web server on port 80. The options are: Web proxy (apache, nginx etc.) xinet iptables setuid The baseline would be running the app using setuid but I'd prefer not to for security reasons. Apache is too slow and nginx doesn't support keep-alives so new connections are made for every proxied request. xinet is easy to set up but creates a new process for every request which I've seen cause problems in a high performance environment. The last option is port forwarding with iptables but I have no experience of how fast it is. Of course, the ideal solution would be to do this on a dedicated hardware firewall / load balancer but that's not an option at present.

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  • X11 forwarding - have window showing on two computers.

    - by Tim
    I currently have 2 desks: one with a mac, the other with a 2 Linux computers on. One of those Linux computers is constantly on, so I would run the chat app on that (pidgin, most likely). I can run pidgin on Mac by sshing into the Linux computer with "ssh -X", i.e. X11 forwarding. However, I want to have the chat windows viewable on both computers simultaneously (or at the very least, by entering a command or whatever). Is this possible and if so, how? (Also: I know that it'd be possible via VNC or whatever, but yuck - X11 on mac is bad enough.) Thanks, Tim

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  • Setting up a Time Capsule with port forwarding

    - by Kaji
    Our old AirPort Extreme station hit EOL, so we decided to upgrade it to a Time Capsule. Along the way, we're trying to also set it up with a separate guest network and port forwarding/NAT, however we're having trouble setting it up so that the time capsule is handling the DHCP leases instead of the router. We've got DSL through Verizon through a Westell modem/router to the Time Capsule. Done the RTFM thing, and we haven't been able to get it to work. Can anyone explain how to get things set up properly for this configuration?

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  • Setting up a Time Capsule with port forwarding

    - by Kaji
    Our old AirPort Extreme station hit EOL, so we decided to upgrade it to a Time Capsule. Along the way, we're trying to also set it up with a separate guest network and port forwarding/NAT, however we're having trouble setting it up so that the time capsule is handling the DHCP leases instead of the router. We've got DSL through Verizon through a Westell modem/router to the Time Capsule. Done the RTFM thing, and we haven't been able to get it to work. Can anyone explain how to get things set up properly for this configuration?

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  • Configuring port forwarding on Fortigate 50B

    - by GomoX
    I can't for the life of me get port forwarding to work on my Fortigate 50B. I followed the setup tips described on this other SF thread with no success. The only specific difference I can find is we are using load balancing through 2 different internet uplinks. Is there any caveat specific to this scenario that I might be missing? If you need any specific additional information please ask because I think I have checked everything: Virtual IP mapping on external interface wan1 ACCEPT all from any on wan1 to the corresponding server on internal No seeming offending firewall rules (any specific pitfalls that I might want to check for?)

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  • Network with bridge and port forwarding?

    - by rafek
    Hi! Below is my current (and planned) home network configuration. I would like to connect my non-wifi-capable desktop to my home network. The question is: HOW? What device do I need? The primary requiremen is that I need to be able to forward ports to my desktop. How would I achieve this? Is there something like "double port forwarding"? Could anyone please explain this configuration to me? Thank you in advance!

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