Ubuntu Networking :: Local Machine Is Not Accessible From Out Side World
Jul 30, 2010
I m using the pc as gateway....i have two NICs:1) 10.6.15.254 ---> for internal network 10.6.15.02) 10.6.0.115 -----> for out side world I can ping and ssh any out side machine but when i try to ping or ssh any machine in the 10.6.15.0 network it says host unreachable.... i can ping and ssh gateway i.e. 10.6.15.254 and 10.6.0.115 but not the client machine in the 10.6.15.0 network from out side world even i flush iptable rules i can not access any client machine i m using ubuntu 10.04 as operating system..
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May 22, 2010
Set Up:
1. Ubuntu 10.04 x64 on Acer Aspire NoteBook.
2. LAMP installed
3. Using an ADSL modem to connect to internet, make is "Nokia Siemens Residential Router 1600"
4. Modem LAN settings are as shown in the attachment picture.
5. So mostly my laptop is assigned the ip ranging from 10.0.0.2 to 10.0.0.10 as the router use NAT.
6. http://localhost, 127.0.0.1, 10.0.0.2 or whatever my ip is, work fine to see my default Apache homepage in locally connected devices.
7. The IP which I find from [URL] should connect to my Apache homepage but instead it connects to my Router Interface/Configure panel as shown in image attached.
What I want:
1. My Apache home page accessible to outside world via my dynamic ip.
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Nov 3, 2010
I just setup a ubuntu 10.10 box learn linux and to play around with, and want it to host my website. I can see the web site on my local network no problem but the outside world gets a time out message. I check to make sure everything is forwarded correctly on my router and the dns so i has to be something in ubuntu blocking out-of-network traffic how do i turn port 80 on to the outside world
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Jul 25, 2011
I have a subdomain called www3 and I cant see it outside of our network. It's added in vhosts.conf in /etc/httpd/conf.d, and I can access it through [URL], but only when on vpn.
We have another www2 that is both local AND outside the vpn. I am testing the site live and need access to it. Is there another file besides vhosts.conf that I need to add the ssubdomain in? Here's what I added in my vhosts.conf
Code:
<VirtualHost *:80>
ServerName www2.mydomain.com
ServerAlias www2.internal www2
[code]....
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May 14, 2010
I have just upgraded to 10.04 (not ideal I know, thought I would give it a go). Now the machine is only accessible via its IP, not host name. I reinstalled Samba, but still not working
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Mar 5, 2009
I want to have my Fedora 10 computer act as file storage and access it from my Windows computers.
Details:
Fedora 10 box is fully functional and connects to the internet using a wireless card to my Linksys 54G router. I've configured the smb.conf file to workgroup MSHOME, and assigned it an IP of 192.168.1.150. I've also set it to turn on smb at boot. Windows XP Home is hard wired to the same router with the standard Workgroup of MSHOME. Windows is set to obtain IP and DNS automatically. There's another Windows XP Home system that's also wireless on MSHOME that I can interact with fine from the main Windows comp. Ping results to 192.168.1.150 results in Request timed out.
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Feb 13, 2010
I have Linux installed on one machine with samba running and a second machine running XP. They are going through my router and I am using the same username/passwords for both machines and I have even gone to the point of allowing access to everyone for the share I created and the worgroup in samba is MSHOME just like my XP machine. When I view (or search) my workgroup computers my Linux machine shows up and so do the shares I created but when I try to open them I just get a message that permission is denied and I may not have permission to use this resource. I even tried setting access to the shared folder to 777 but still I can't open this share. Has anyone got any idea of why this is?
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Jul 25, 2010
I have a few ubuntu machines in my house, 1 mythtv backend server with other services as well, 2 mythbuntu frontends boxes hooked up to tv's etc. I wanted to push the audio from my laptop out over pulseaudio to the machine connected to the AV equipment.
I could not see any other pulseaudio sinks in padevchooser... this lead me down the road to investigating avahi.
When I run avahi-browse on my laptop (hydrogen) it only returns the services published from itself:
Code:
$ avahi-browse -ta
+ wlan0 IPv4 byron's remote desktop on hydrogen VNC Remote Access local
+ wlan0 IPv4 hydrogen [00:1b:77:71:97:76] Workstation
[Code]....
My laptop has vmware on it, and I've changed the vmnet intefaces to not support multicast so avahi ignores them. but I'm still at a loss to why my laptop can't see the other machines on my network with avahi (mdns).
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Feb 9, 2010
i built a new basic squid proxy server. so when i check my ip from internet various website. it shows my local ip address.
1) how to know squid proxy mode working in which mode, like tranparent rever or web proxy etc
2) how to hide all local ip from outside world, let our isp proxy global show everywhere by which traffic go out
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Nov 26, 2010
I've setup openVPN using bridging following these guides
[URL]
I'm running Ubuntu Server 10.10 My clients can connect and get their own IP within my ip range (192.168.1.x) They can ping each other and I've tested I can use the connection a lan game and a windows RDP connection. The problem is I cannot access any of the actual local network devices except the vpnServer. Is their something else that needs to be done to allow full network access?
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Mar 31, 2009
I tried to authenticate using ntlm proxy authentication service and my computer could not retrive the IP address. Currently I am using fedora cammbridge
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Feb 28, 2010
I have a reverse ssh connection established from a remote machine to my local machine - it is established with autossh from the remote machine - I know it is connecting because I can see the two ssh processes on the local machine - and, when I kill the two ssh processes, two new ssh processes are immediately established. But I cannot login to the port on the local machine. I have tried everything - it simply refuses to connect. This remote machine is miles away and not readily accessible.
Code:
ssh -p 7766 -vvv user[at_sign]192.168.1.108
OpenSSH_5.1p1 Debian-6ubuntu2, OpenSSL 0.9.8g 19 Oct 2007
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: Applying options for *
debug2: ssh_connect: needpriv 0
[Code]...
I'm wondering if there is some way I could utilize netcat or socat to "tap into" this connection from my local machine??? (My ultimate goal would be to get to a shell on the remote machine.)
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Dec 23, 2010
On computer, I have apache server, configured at port 80, running. In local network, web page is accessible by my local IP (192...). Although, when I want to get to the page from the internet, I don't know right ip address, since router's one should be local, and also, router has it's own web page running at port 80. So I guessed that my server IP would be modem's one, which I don't know. Sometime in past, I figured out address of modem too, but it has it's own application running. Also, router supports port forwarding (which I guess, is needed), but I don't know how to get using to it. what address from internet should I have? How should I determine it?
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Dec 18, 2010
i want to know mac address of a particular ip but the problem is that i am unable to ping that ip but that ip is being used by someone in my local network that i know from my proxy logs. i want to know the mac address of that ip,
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Jun 3, 2010
How to install kerberos on a local machine...?
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May 26, 2011
I just getting back to working with linux. I'm having a problem with what seems to be an iptables thing or something easier than that, Enough here is the question I can get apache to run on the local machine by either going to http://localhost or by the ipaddress on the CentOS machine. But for some reason when I try to take a look on my laptop (on the same network) and try to go to it using the IP address is doesn't go. I can ssh from my laptops but it will not open the apache startup page.
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Feb 7, 2016
I managed to set up an openvpn server, ip-forwarding and a nat iptable rule for that.
Almost everything works as expected, but my problem is:
Smartphone -> VPN -> Internet ==> works (by ip and hostname)
Smartphone -> VPN -> machine in my local network by IP ==> works
Smartphone -> VPN -> machine in my local network by its hostname => DOES NOT WORK
Machine w/ VPN server -> ping to machine in local network by ip or hostname => works
So, i wonder why i cant access a local machine through the vpn by its hostname. I guess I'm missing a forwarding rule??
iptables dump:
# Generated by iptables-save v1.4.21 on Sun Feb 7 20:56:52 2016
*nat
:PREROUTING ACCEPT [786:59064]
:INPUT ACCEPT [728:53047]
:OUTPUT ACCEPT [19:1487]
:POSTROUTING ACCEPT [20:1576]
-A POSTROUTING -s 10.8.0.0/24 -j MASQUERADE
COMMIT
# Completed on Sun Feb 7 20:56:52 2016
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May 26, 2010
i have a problem........ How to redirect local http port to remote ip ddress(192.168.10.64) using iptables..my destro is Centos 5.3 my rule is this iptables -t nat -A PREROUTING -s 0/0 -d <my local ip> -p tcp --dport 80 -j DNAT --to-destination 192.168.10.64
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Jul 27, 2011
I am a newbie trying to enable virtual hosting and run it on a local machine without fqdn. I checked the http://9.9.9.92/ (my IP address) site and saw my (default) page. I would like to virtuly host a asdf.com If virtualy hosting is setup properly - how do I access the new setup? Just type http://asdf.com ? or is there more to it?
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Jul 18, 2010
I'm trying to setup iptables to send web (tcp?) traffic through Squid and Privoxy transparently (to save having to setup everything per browser and hoping they honor their settings). I know I have done this before but I can't find the old config nor remember the exact options needed to do this.What I am wanting specificially is for Privoxy to grab the data as it leaves the browser, do its thing then pass it on to Squid before sending it down the line, then doing the same incoming (Privoxy -> Squid -> requesting app).
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Jan 10, 2011
I'm using NFS and I have the following problem. After ~100 days, the client and server lose connection, but the client doesn't know about this, it gives no error. The problem is that the changes on the server side aren't visible on the client side.
The nfs options are: "noatime, nolock, hard, udp, notcp, nosuid, nodev, rsize=8192, wsize=8192, actimeo=60"
The kernel version is: 2.6.16.27 built with 250 Hz. Is this an already corrected issue in a kernel version? Or are my options wrong?
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Dec 16, 2010
I have an SSH tunnel setup between a local server and a remote postfix relay VPS. This is so we can route all our outgoing mail through this SSH tunnel to a private relay VPS, this seems to give us much more consistent mail delivery than using our ISP's relay. So the SSH tunnel is set to route port 1025 on machine A to port 25 on the VPS This part of it is working perfectly and has been for months. However today I wanted to set our e-mail newsletter software (on the same network as the SSH tunnel start-point) to send through the SSH tunnel. So I punched in the IP/port... 192.168.1.5:1025 but it doesn't work. Is there something I need to do to allow connections from other machines on the LAN to access the start-point of the SSH tunnel? Or are SSH tunnels restricted to localhost connections only?
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Dec 26, 2009
Is there any way to redirect a remote Linux machine mplayer output audio to local one?
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Mar 6, 2011
I did a wget on the source and built the apache binaries correctly. Now what do I need to do to get some documents accessible using HTTP (start some services?)? Also, do I need to group all the files I want to make accessible in some directory and make the directory and its contents accessible or can I just make the individual documents available? I will be providing these links to my colleagues and do not want them to be down, so need to make sure that the apache services are up automatically after a reboot. Does apache have some inbuilt support for this?
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Jul 11, 2011
I created an archlinux vm guest using virtualbox on my windows desktop at work. I'm planning to use it for django development because there are no unix machines available to use as a workstation at work.
From the vm guest I can ping/ssh to other machines in the network, but not the other way around. It's like even though the guest machine has an ip address on the network and a hostname, neither is recognizable.
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May 11, 2011
This is a simple question which hopefully has a simple answer. How do I set up a directory on my user account which is visible and accessible to other users on the *same machine*? For example I have certain files on my account which, if I want another user to be able to access I'd have to (a) copy them to my thumb drive (b) log out, (c) log in to the other account, (d) copy the files from the usb thumb drive
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May 31, 2010
Ubunu 9.1 and I would like to set up my machine so that when i type a domain name into another browser on my local network, I will get the apache server. I currently access the pages i have on the ubuntu server by typing the ip address into another machine on the network, I would like to type in a DNS type of name instead.
Ultimately, I would like to access this machine from outside of my network over the Internet, and would appreciate insight on how to do this, too.
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Feb 2, 2011
I would like to be able to have one local user connect to the X of another local user and run an X program. On fedora, I can simply run:
$ xhost +
And then have the other user run:
$ sol --display=0.0
This is not working on my ubuntu (10.10). I am guessing that there is an additional level of Xauth restrictions, but I cannot find out how to get past them. Both users are local to the machine. I would like to not use sux or gdsu as both require you to enter the password and I would like this to be seemless. I am aware of the security concerns and believe that I have mitigated them.
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Jun 5, 2011
The devices tab under ubuntu one preferences lists only <LOCAL MACHINE> the staus at the top says disconnected, the connect button is grayed out and the reset button at the bottom right does nothing. Files don't sync etc but I think this is as a result of the situation described above. I have tried on the advice of an older thread to delete the token for Ubuntu one from 'passwords and encryption keys' and then revisit Ubuntu one preferences in order to sign in again and grant my computer access but this made no difference.
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May 10, 2010
I have two (or more) video files that I want to play side by side. I could do that simply by opening them in two seperate windows, but that would also seperate all the controls (play/pause/forward/...). I want to play them in a synchronized fashion so that pause/forwarding/... works on both videos simultaneously so that they always stay at the same timecode and they don't go out of sync. How would I accomplish that in Linux?
This is needed for viewing only, so compositing them into a new video file first should be avoided if possible, but if there isn't an easy way to do that, I welcome answers doing it with composition as well.
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