Ubuntu :: All Ftp Clients Fail To Connect To Any Server?
May 11, 2010
At some point my Ubuntu 9.10 Desktop install has stopped being able to connect via ftp to servers. I have several servers that I have accounts to and I have several ftp clients installed on my system, including gftp, Filezilla, and command line ftp tools. None of them can connect to any of my servers.
Here it is from the command line:
> ftp mywebsite.com
ftp: connect: Connection refused
I can connect fine with my netbook running Ubuntu, only my desktop has this problem, and of course I use my desktop for development. Do I have a firewall running or something that's blocking my outgoing requests over port 21?
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Jan 2, 2011
Upgraded two machines to 11.3 in the past 2 weeks. NFS is broken on both, in different ways. The problem I'll mention here is that the nfs server is running, but clients can't connect.
The server is running:
tinderbox:~ # /etc/init.d/nfsserver status
Checking for kernel based NFS server: idmapd running
mounted running
statd running
nfsd running
It has a valid export list:
tinderbox:~ # showmount -e
Export list for tinderbox:
/usr/local/share/common 192.168.1.0/24
The export exists:
tinderbox:~ # ls -lR /usr/local/share/
/usr/local/share/:
total 4
drwxrwxrwx 2 root root 4096 Jan 2 12:10 common
/usr/local/share/common:
total 0
-rw-r--r-- 1 root root 0 Jan 2 12:10 test.txt
But attempts to mount the export are unsuccessful, both from the local machine:
tinderbox:~ # mount.nfs 192.169.1.200:/usr/local/share/common /mnt -v
mount.nfs: timeout set for Sun Jan 2 12:14:19 2011
mount.nfs: trying text-based options 'addr=192.169.1.200,vers=4,clientaddr=192.168.1.200'
mount.nfs: mount(2): Connection timed out
mount.nfs: Connection timed out
...and from an OpenSUSE 11.0 machine.
moira:~ # mount.nfs 192.169.1.200:/usr/local/share/common /mnt/tmp/ -v
mount.nfs: timeout set for Sun Jan 2 11:52:17 2011
mount.nfs: text-based options: 'addr=192.169.1.200'
mount.nfs: Unable to connect to 192.169.1.200:111, errno 110 (Connection timed out)
mount.nfs: mount to NFS server 'rpcbind' failed: timed out, giving up
I've had NFS running on my local network for over a decade, and never had problems like this before.
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Dec 30, 2010
I'm trying to get a pptp server up and running. The server starts just fine, but encounters errors when a client tries to connect.
Code:
CTRL: I wrote 32 bytes to the client.
Dec 29 23:27:48 frankenstein pptpd[9402]: CTRL: Sent packet to client
Dec 29 23:27:48 frankenstein pptpd[9403]: CTRL (PPPD Launcher): program binary = /usr/sbin/pppd
[code]....
I assume the failed read line is the culprit. I am currently running on a test machine. There is no firewall. I read on this error points to a firewall misconfiguration, but there isn't one.
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Sep 28, 2010
I've been the las 4 days setting up my first VPN (OpenVPN bridged). The server is up and running OK but when I try to connect I've got this message in the client log.
Quote:
TLS Error: TLS key negotiation failed to occur within 60 seconds (check your network connectivity)
TLS Error: TLS handshake failed
[Code].....
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Nov 12, 2009
I have CentOS 5 + Sendmail within the local network with Smarthosting settings. How my Laptops users will connect my local Sendmail server for sending / receiving e-mails while out of the office network. I have router but no firewall in place in local network.
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Aug 26, 2010
I have a linux box (fedora) with two ethernet cards eth1 and eth2. On eth1 I successfully configured a PPPOE internet connection. Such that from the server I can browse the internet. On eth2 I wired it to a wireless router essentially to provide the wireless cloud. On eth2 I also configured dhcp, such that the Linux box is both PPPOE and DHCP server.However my clients on the LAN cannot access the Internet.
On passing the routing command I get
Destination Gateway Iface
196.44.x.y 0.0.0.0 ppp0
192.168.1.0 0.0.0.0 eth2 (my subnet)
0.0.0.0 0.0.0.0 ppp0.
The router (functioning as a wireless access point mainly) has a fixed IP address of 192.168.1.2 and eth2 has IP address 192.168.1.1. The dhcp file running on Linux has been set with option router (Gateway) 192.168.1.1. I cannot figure out how to correctly set the routing table such that my clients on wireless can access the internet cloud. I googled and googled but no solid solution. Any suggestions?
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Oct 15, 2009
I have installed F11 on my server bythis article! I have problem with certificatewhen I connectin from clients computers to my mail server for reciving mail! I have warning like this
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May 2, 2010
When I input xhost
pt@pt-laptop:~$ xhost
access control enabled, only authorized clients can connect
SI:localusert
SI:localuser:gdm
SI:localuser:root
wWo is gdm? Is he a hacker?
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Jul 15, 2010
I've been using synergy for a while and love it. I recently upgraded both of my desktop PCs at home from 9.10 to 10.04 (both x64 ubuntu studio). Now, Synergy doesn't appear to want to work. I've tested with both the cli command referencing a config file on the server and using quicksynergy on both machines and it just doesn't connect. I verified on my "server" that synergy is listening on port 24800 (can telnet to that port from the client machine). I manually disabled the firewall on both machines as well and it doesn't seem to make a difference. It never gives an error on the client, it just never makes the connection. I've tested this with 2 separate 10.04 clients. I also brought one of these boxes (a laptop) to work where I use Synergy between 2 windows boxes. It won't connect to those either.
I've tried connecting both using hostname and IP address (both worked in the past on 9.10) and neither work.
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Jun 6, 2011
I've used Transmission for about a year now, and i haven't had any problems with it. But a couple of weeks ago it suddenly wouldn't connect to any peers. It gets peer list from tracker, then nothing happens.Ive tried using different clients (Vuze and Deluge) and the same story goes for both. Ive tried restarting the router in case of any DNS crap, getting nothing.Ive installed Firestarter only to create an exception for traffic on the torrent ports (even though it probably is pointless)Now both google and myself seem to be out of ideas. Does anybody have something i could try out and possibly fix this. Everything points to some software issue...
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May 17, 2010
I've done this before, maybe ten times. This time is different. I don't know why, but Samba will not allow any clients to connect.
I've done:
- installed samba
- setup the samba shares
- have a samba user/passwd
- authentication = users
- punched in the samba stuff for firewall
- workgroup is set right
What the heck? I cannot get any client to connect. Not even the server machine can connect to itself through a client. What am I missing here???
Just for the record, I'm trying to connect to \SERVER:
Code:
Code:
I removed a whole lot of comment lines in the config file.
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Apr 10, 2010
This is as far as FireFTP can go to make a connection.
Code:
220 Welcome to Steve Test SFTP service.
AUTH TLS
Proceed with negotiation.
PBSZ 0
All the basic vsftpd.conf advice followed:
Code:
ssl_enable=YES
allow_anon_ssl=NO
force_local_data_ssl=NO
[code]....
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Jun 25, 2010
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Jan 29, 2011
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1. How do I prevent clients to connect to port 25 without authentication?
2. I guess I have to have port 25 open in order to receive mail from the outside world?
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Aug 3, 2010
Suppose I have a server, foo, that runs on port 5555. I can make one connection to it at a time on that port. I want xinetd to fork new instances of foo so multiple clients can connect to it.
Here's a configuration entry:
1) How does xinetd fork a new instance of foo when a previous instance is already listening on port 5555? Wouldn't the new process fail to launch because port 5555 is already in use by the previous process?
2) Suppose five clients connect simultaneously, and xinetd forks five instances of foo. When the clients disconnect, does xinetd leave all five instances running?
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Jan 29, 2010
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[Code]...
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Apr 11, 2010
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Nov 9, 2010
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I've read many posts and found that other people experience problems with Realtek wlandevices as well. But I have no Idea how to get connected with Gentoo at my wlan. It looks like that the netbook is connected for a very short time, but when dhcpcd broadcasts for a lease the connection is already closed.
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Sep 9, 2011
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localhost in.tftpd[12727]: tftpd: read: No route to host
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Apr 26, 2010
How to configure linux vpn server for windows clients & roadwarriors connection?
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Jan 9, 2010
I have to have a Linux server for shell programming on Windows (XP) clients
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Dec 29, 2010
if I use Linux File server with NFS Configured, Can MAC clients (workstations) access the files on Linux server over the LAN network
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Feb 26, 2010
I just installed SLES 11.2 X86_64 and have SMB Server started after adding 2 lines to smb.conf:1. NTMLv2 = Yes2. name resolve order = wins bcast host lmhostsThere are also 02 new DWORD lines I add to Win7 clientsHKEY_LOCAL_MACHINESystemCurrentControlSetServicesLanManWorkstationParameters 1.DomainCompatibilityMode = 12. DNSNameResolutionRequired = 0Of course a few number of modifications I made from Yast to enable SMB Server and Client, and bcast as well. Now I am able to join my Linux Domain without error at first reboot from win7, but it seems spending a long time about 30 secs for auth. even I test on a very fast network system, all with core quad 3GHZ CPU and 4GB DDR2I would like to mention here that before I made the above changes I did a lot of different modifications onto my win7 clients (I found many suggestions online), and all seems mess up and never work; Then I had to reinstall win7 from scratch and just add 02 lines as above, but it works.
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May 17, 2010
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May 18, 2010
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May 24, 2010
I'm presently writing software to keep my system time from drifting, it uses an external clock device.To verify it's accuracy I'm running ntpd as a server, and have another server monior the first as a client. This allows me to compare the offset with other 'valid' time servers.The problem is that the monitoring client keeps synchronising with my development server. How can I configure either the dev. server or the client so that it's time won't be selected as a good time source?The ntp.conf on the dev. server looks like:
Code:
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Code:
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Mar 13, 2010
I can't download files from my server that I have. code...
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in filezilla I get "Error: Failed to retrieve directory listing"
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