Re: Can an vsFTP server get swamped?

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On 14 May 2024 at 4:04, ToddAndMargo via users wrote:

Date sent:      	Tue, 14 May 2024 04:04:46 -0700
To:             	Community support for Fedora users 
<users@xxxxxxxxxxxxxxxxxxxxxxx>
Subject:        	Can an vsFTP server get swamped?
Send reply to:  	Community support for Fedora users 
<users@xxxxxxxxxxxxxxxxxxxxxxx>
From:           	ToddAndMargo via users 
<users@xxxxxxxxxxxxxxxxxxxxxxx>
Copies to:      	ToddAndMargo <ToddAndMargo@xxxxxxxx>

> Hi All,
> 
> I have a customer with four Windows workstations that
> backup with Cobian Reflector to a local Fedora vsFTP server
> 
>      vsftpd-3.0.5-6.fc40.x86_64
> 
> Every so often, Cobian errors out with:
> 
> ERR 2024-05-12 21:38:58 An error occurred while uploading the file 
> "C:\Users\accounting\AppData\Roaming\Mozilla\Firefox\Profiles\boteqaxu.default-1441211636453\storage\default\https+++shop.nordstrom.com\cache\morgue\44\{a7c30849-26e1-400f-9127-3cc779dc912c}.final" 
> to "/MyDocsBackup/backup1/Mozilla 2024-05-12 21;31;27 
> (Full)/Firefox/Profiles/boteqaxu.default-1441211636453/storage/default/https+++shop.nordstrom.com/cache/morgue/44": 
> Only one usage of each socket address (protocol/network address/port) is 
> normally permitted 192.168.202.10:10098
> 
> 
> But if I re-run the task, it goes through without issue.
> 
> By chance if several of the workstations start backing
> up at the same time, can the vsFTP server get swamped?
> 
> Is there a way to increase vsFTP's sockets?
> P
Note sure if you are talking about passive ports.
check your /etc/vsftpd/vsftpd.config normall at end.

I've set mine up with these settings?

pasv_enable=YES
pasv_min_port=11000
pasv_max_port=11010

Might also need to make sure that these ports are routed to the 
machine if it is behind a router..

Just a thought.


> Many thanks,
> -T
> --
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