Koozali.org: home of the SME Server
Obsolete Releases => SME Server 9.x => Topic started by: beast on December 05, 2020, 08:18:04 AM
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Hi
Connection is refused from Ubuntu on the local network.
In server-manager it is set to enabled from local network for both FTP and SFTP. Have tried for a short while to allow from anywhere with no luck.
Anny suggestions?
Thank you in advance
Benny
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Very strange a windows laptop on the same local network is able to make a connection......
The Ubuntu OS and everything else gets its IP from the servers DHCP.
So the problem does not seam to be the server or at least not directly.
Have tried with different programs on the Ubuntu system (browser, FileZilla, kommand line etc)
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Are you running any blocking like fail2ban?
Check your iptables logs.
Mine all work with Xubuntu 18.04 Filezilla SFTP (FTP disabled on all my servers) using SSH keys (I disable SSH password access too)
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This is really stupid - sorry about that.
It works fine with the IP adr of the server. The problem was that I have used 1.1.1.1 and 8.8.8.8 as DNS servers on ubuntu. So the traffic must go out the router and back in ;-)
Maybe others can learn from my mistake......
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:lol:
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This is really stupid - sorry about that.
It works fine with the IP adr of the server. The problem was that I have used 1.1.1.1 and 8.8.8.8 as DNS servers on ubuntu. So the traffic must go out the router and back in :wink:
Maybe others can learn from my mistake......
Oh yeah !
The manual DNS settings...
May be better to let the server in charge for the LAN dealing with this, as it could also answer DNS requests about machines on the LAN...
... even if really needed to tinker around the /etc/hosts (https://www.google.com/search?q=linux+hosts+file) file ... what I do Not recommend to novices, unless they are ready to "break" their system(s) for the duration of the learning journey with help from reachable(?) online Search Engines, of course ! :wink:
To this, I am just adding what I have also thought for a short while, while reading:
Another pretty common issue when we forget about particular settings changed since quite some time ago on a Linux client machine(s):
Firewall activated (?)
But, thinking more about it, it would be client machine entering connections blocked, not initiated ones from the client machine itself (as mentioned in this thread)...
Well my 2 cents worth "contribution", in case it helps people doing a search on the forums before posting...
Cheers !