Ubuntu Servers :: FTP Access Inside Local Network Only?
Jun 8, 2011
I've been researching this all day with no luck thus far. Basically I need to cutoff port 21/ftp access from IP addresses outside of my local network. My local IP range is something like 192.168.0.100 - 192.168.0.150 -- so anything outside of this range would automatically be blocked.
Any IP address outside of this range would be denied as I use SFTP for remote access, etc. from home, etc.
I've researched IP tables, tcp wrappers, etc. but am still unsure which would be best for what is probably a simple fix.
Relevant info: Vsftpd via Ubuntu Server 10.10
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Apr 13, 2011
I have installed Ubuntu on four machines at work and have been blown away. On my machine I have Apache setup for web development and other machines can "see" it using my IP address. I would like to have it so they can access by the name of my computer though. I have no local DNS server so I guess I need to hard code the relationship in each machine? Ideally I'd actually like to be able to use subdomains (which I use locally to avoid annoying .htaccess path problems). i.e. from another machine on the network to go to [URL].
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Feb 19, 2010
Running Ubuntu 9.10. In the Remote Desktop config dialog I get: "Your desktop is only reachable over the local network. Others can access your computer using the address 127.0.0.1 or tabatha.local." I understand this means only the loopback ip address is available. All my other machines show their true local ip address (e.g., 192.168.1.104) in this dialog. Thus I cannot log on to this desktop from other machines.
When I try to do a remote logon from another Ubuntu 9.10 box (or from an XP box using a VNC viewer), I get: "Connection to 192.168.1.102 has been closed." What steps are needed to make this machine show its actual ip address? All file sharing between the various machines is working properly and all windows shares back and forth between XP and 'nix, and among the the vaious XP boxes and linux boxes are available as designed.
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Dec 11, 2010
I have recently upgraded to 10.04 and I am trying to access my apache and sshd servers from the net but I have not succeed so far when those two are using their regular ports.If I change their ports to something greater than 1024 they work fine.80->8010 22->4567(I can access the servers when I am connecting from local net: 192.168.1.0/24) Is this restriction build into the new kernel? Is there something I can do to fix this without recompiling the kernel?
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Mar 1, 2011
I used to have this setup on an old server and i'm trying to move it to a new server.I have a new box installed with Ubuntu 10.10, sendmail, courier-imap and courier-pop.I've configured virtusertable/local-host-names/virtual-domains/sendmail.cf and such.Everything is set up to take any mail arriving to @mydomain.com and move it to a user called "mobileinbox".When i log in as mobileinbox (su mobileinbox) and check my inbox using mutt, i see all the e-mails , but when i login from the outside using pop3 or imap , it says i have no new emails.
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Aug 30, 2010
New XAMPP security concept: Access to the requested directory is only available from the local network. This setting can be configured in the file "httpd-xampp.conf". If you think this is a server error, please contact the webmaster.
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Oct 11, 2010
I'm trying to set up a small Intranet system to run OpenERP or similar using browser-based clients. I have an Ubuntu machine running 10.04 desktop edition to act as a temporary/testing server until we set up a proper, dedicated machine with 10.04 server edition. I have installed Apache2 from the repos and it is up and running fine - locally. That is the problem, I can't access the server from other machines on the LAN. Ping works, btw. So I've been reading tutorials and howtos for the past week, but for the life of me, I can't find what I'm doing wrong. The standard Apache setup seems to be made to "just work", so although I've looked at the various configuration files mentioned in the tutorials, I haven't actually changed anything.
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Mar 22, 2011
I have created more A record in dns. one record is link to my local ip, i have already static ip, how can i access my local website from global.
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Sep 22, 2010
I have a problem with my slackware 13.1 that is that i can�t access it outside my local network. It�s running behind a router and i have activated the DMZ to my slackware computer i can access the web with my slackware computer but i can�t get access to it outside my LAN.
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Jun 16, 2011
Using httpd - everything usually works but I have written a cgi script and placed in cgi-bin but i cannot access this dir and keep getting forbidden messages. I have tried adding my root and usual user to the /etc/group file against the user stipulated in the httpd.conf file but i still can't access the cgi script i wrote (in browser - localhost/cgibin/myscrippt.cgi) when i place it in the cgi-bin under htdocs. i have also chmod 755 directory and files.
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Apr 3, 2010
The desktop computer stores most of our family's files and is mostly powered on, installed with Debian/openSUSE (KDE4).
We have 2 more portable (also Linux, KDE4) computers and frequently need to access files stored in the desktop. Currently file transferred is by usb thumbdrive which is troublesome.
The computers are all connected to a wireless router that provides access to the internet.
Reading/goolging and understand that there are many ways to share files to the extend that I am lost - Samba, NFS, SSH .....
My problem is to find out: What is the best way to access computers within the local network? "Best" here means:
- Secure
- Relative ease to setup
- Easy to use, file access with GUI (file manager?) as the entire family is using the computers.
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Jan 26, 2011
I'm trying to setup an Apache webserver on my computer in order to practice HTML5/CSS3 for an upcoming competition I'm in. I'm able to access my site from inside my network, but I cannot outside my network. I've had several people try, and they all report that the server just times out. I'm running Ubuntu 10.04 and Apache 2.2.17
My site is at [URL]
Here is the output of ifconfig
Code:
eth0 Link encap:Ethernet HWaddr 00:26:22:50:0f:0a
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
[Code]....
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Apr 30, 2010
I've followed several guides and am trying to get NFS working on my local network. For starters, I think I should be able to NFS mount a drive on the server (192.168.1.65) TO the server. From there I'll work with another client (currently 192.168.1.80)
Code:
$cat /etc/exports
/media 192.168.1.0/24(rw,no_subtree_check)
$cat /etc/hosts.deny
portmap mountd nfsd statd lockd rquotad : ALL
[Code]...
The guides I've read seem simple, so I must be missing something easy. Can't figure it out, so I'm looking for help after googling for 2 hours.
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Jun 13, 2010
Machine 1:Windows vista, using vireless, 1Gb netcard.
Machine 2:Ubuntu commandline server directly connected to router, 1Gb netcard.
Router is only a 1Gb router./etc/network/interfaces look like this:
[Code]...
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Jun 14, 2010
I am setting up my first server (which will be a file server when complete). I have some experience with a terminal, but not much. I'm not at all afraid of it, and want to learn more (one of the reasons I'm doing this project). At the moment I am trying to get the server to see my network. Using the info I found here: URl... I have been able to ping the router. I cannot, however, reach other computers on the network. Nor can other computers ping the server.I am looking for a newbie guide on how to connect to my local network.
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Jul 2, 2010
I jsut installed 10.4 Server. I want to hook it to the network. I want to hook up through wlan0. my router is WPA and is my DHCP.
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Aug 16, 2010
I had problems with my Ubuntu Server 10.4, so I reformatted and reinstalled (I only choose OpenSSH from the install menu), then after it rebooted I installed apache. So I can access the machine via web, ssh and scp from within my local network, but strangely outside my network I can access it from web, but not ssh or scp. Nothing has changed on my router.
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Jun 14, 2011
I am trying to setup a DNS server on my local network. When I set linux clients to use it, it works as expected. However, when I set windows clients to it, the root name doesn't resolve. For example, I have a zone called daniel. On linux "anything.daniel" resolves to the correct ip as does "daniel" which is the behavior I want. However, on windows 7, "anything.daniel" resolves correctly, but "daniel" doesn't. I am new to BIND9 so my config is mostly copy and pasted. Here is my zone file for daniel (where #.#.#.# is the ip I want daniel to resolve to):
@ IN SOA ns1.daniel. admin.daniel. (
2007031001
28800
3600
[code]....
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Aug 21, 2010
I have installed apache php and mysql on my pc during debian installation... some of my friends complain they cannot access my webserver from their home and it's available only within my local network... Please help regarding this...
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Jun 3, 2010
My router is a DHCP Server.My Access Point is a DHCP Server.I'm wondering if it is really necessary and usefull.Is it possible to get an IP from the Router through the Access Point.For exemple I connect my laptop to the wifi Access Point and the IP is given by the router only.
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Jun 29, 2010
i have php5 and mysql on ubuntu server which is hosting a WordPress blog. i activated it remotely over the internet and it works fine still over the internet. now im home and using my local network again and now when i try to go into it with its local IP, it just shows some text (blog title, posts and so on) with NO pictures.
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Aug 15, 2010
I'm trying to setup a NAS for my network, the only problem is that I can't figure out how to do it. On my network I have about 3 computers however only I only use 2 of them so I thought that maybe I could use the third computer in such a way that I could access it 24/7 from the internet as a server for all of my files (school papers, music etc etc...). The only problem is that I don't know where to get started. Both of the computers I'm currently using are Windows and the one that I,hopefully, can turn into a server is running on Ubuntu.
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Mar 4, 2011
I changed the default port under etc/apache2/ports.conf and now I cannot connect to my server under my local network.
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Aug 22, 2011
I have public IP and registered domain mydomain.eu. On domain provider DNS servers, mydomain.eu points to my machine called solis (10.10.10.1; this is gateway, dhcp and dns server; eth0 is outsite, eth1 inside my network). I have also laptop which is connected to eth1 through wireless AP. From laptop and solis I have access to outside and inside network without problems. Of course my dream is to have access to solis from local network using name 'mydomain.eu' but not fully name 'solis.mydomain.eu'.
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Jan 6, 2009
I've tried, but now I give up. I'm trying to run Apache on FC9. Nothing fancy, no extras, just the default installed apache. [correction, I have coldfusion installed, however the service is not running] I've set the Listen variable to every combination I could think of, with no success. I can set it whatever I like (such as my local IP) on any port other than port 80. If I try to set it to 192.168.x.x:80, it gives me the error message:
Starting httpd: (98)Address already in use: make_sock: could not bind to address 192.168.x.x:80
I've run netstat commands to try and find applications listening on port 80 and found nothing. Whenever I chose a port other than 80 to get the service to start successfully, I am able to serve pages locally. But even with my ports forwarded correctly, no one outside the local network can see it. I've checked with nmap that my machine is opening the ports and even cheated, disabling the firewall during testing to ensure it was not part of the problem.
I noticed while locally nmaping my server that whenever I set Listen 192.168.x.x:8081, 8081 is opened, as well as normal port 80. When I stop the httpd service, both those ports are simultaneously closed. Why is httpd opening port 80? I'm assuming this is related to why I cannot assign Listen to port 80. If I run remote scans from sites like www.nmap-online.com and www.canyouseeme.org, nmap-online will report filtered on ports 80 and 8081 if my httpd is running, and if httpd stopped, 80 is closed, filtered 8081.
Can you seem reports success on ports 80 and 8081 if httpd is running, fail if httpd is stopped. I'm sure thats all a lot of information cluttered in to all that. To summarize, I cannot start my httpd server on port 80, and I cannot ever see my webpages beyond my local network. Am I missing something extremely is simple and I'm just over looking it?
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May 23, 2010
The situation is this, I have one of those router cable/wifi. So I have the main pc plugged to the router, the router give local ip for all my network (the others computers connects via wi-fi). Main pc starts up apache under Fedora 12, http://localhost.. works, http://127.0.0.1.. works, http://192.168.0.13 (my local ip) works. But when I try to connect to http://192.168.0.13 from another pc of my local network, it doesn't work. The others pcs are running windows vista.
I go another computers ping 192.168.0.13, responds!
From the main computer ping 192.168.0.14, responds!
So, there is communication between the machines, but I cant get to work under apache. I tried opening port 80 with iptables, i tried changing apache's port to another.
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Feb 25, 2011
I've installed Ubuntu Server 10.10 with two network cards. One for external, and one internal.My problem is that as soon as i activate eth1 (external), i can't access the server from the internal network (eth0)
With these settings i can't reach the internal network from inside.If i disable the gateway on eth1 and enable the gateway on eth0, it works.
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Jun 28, 2009
I have a lab of 10 computers with ips from 192.168.1.120 to 192.168.1.130 the server's Ip is 192.168.1.116When I am on client computer I type the server's Ip address on the browser and it works. All i want is that instead of entering my servers Ip I could just enter an address like: example.lan
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Jul 26, 2011
I have a postfix mail server on ubuntu 10.04 lts behind a router. so all local users are fetching/sending mails through ms outlook using local IP. Sometimes when internet goes down and any mail send then it bounced back immediately saying domain not found. Can u please tell me how i configure to hold all mails in postfix server rather than bounce when internet fails and will pass through when restored the internet around 15-30 minutes?
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May 30, 2011
Take a physical user FRED. FRED is a linux user ( known by linux on his laptop ) FRED is a Samba user ( Known by samba on the samba pdc server ) When he logs locally (with username/password) on its standalone laptop (with no network), he is known as FRED:user. He access his data in /home/FRED/. When he logs through samba (with username/password) on the domain MY_DOM, he is known as MY_DOMFRED:MY_DOMdomain user. He access his data in /home/MY_DOM/FRED/. ) Is it possible that the human FRED has only one repository and have full access to its repository regardless of how it was connected. If yes, how to do it
2) If not, Is it possible that the human FRED has full access to /home/FRED/.............. and /home/MY_DOM/FRED/.
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