Re: strange problem, may be related to ssh

2023-11-12 Thread fedora
Thanks for the clarification Samuel, On 12/11/2023 19.09, Samuel Sieb wrote: On 11/11/23 14:07, fed...@eyal.emu.id.au wrote: My SMTP server requires SSL/TLS security, and uploading files to the same site requires sftp. So both run over ssh. This is not correct.  SSL ≠ SSH.  They use similar

Re: strange problem, may be related to ssh

2023-11-12 Thread Samuel Sieb
On 11/11/23 14:07, fed...@eyal.emu.id.au wrote: My SMTP server requires SSL/TLS security, and uploading files to the same site requires sftp. So both run over ssh. This is not correct. SSL ≠ SSH. They use similar encryption, but they are different protocols and not using the same port. ___

Re: strange problem, may be related to ssh [resolved]

2023-11-11 Thread fedora
On 12/11/2023 10.06, fed...@eyal.emu.id.au wrote: On 12/11/23 09:16, Roger Heflin wrote: If connections/files/stuff passes that is less than 1 network packet (about 1500 bytes - header--say 1460 give or take) then this is a sign that a piece of the network somehow has the wrong MTU size. I have

Re: strange problem, may be related to ssh [resolved]

2023-11-11 Thread fedora
On 12/11/23 09:16, Roger Heflin wrote: If connections/files/stuff passes that is less than 1 network packet (about 1500 bytes - header--say 1460 give or take) then this is a sign that a piece of the network somehow has the wrong MTU size. I have seen network ports not get their MTU set to 1502 o

Re: strange problem, may be related to ssh

2023-11-11 Thread Jeffrey Walton
On Sat, Nov 11, 2023 at 5:08 PM wrote: > > Since the middle of the night on 7/Nov, uploading files with ssh is > problematic. > > My SMTP server requires SSL/TLS security, and uploading files to the same > site requires sftp. > So both run over ssh. > > I have a few scripts that run from cron an

Re: strange problem, may be related to ssh

2023-11-11 Thread Roger Heflin
If connections/files/stuff passes that is less than 1 network packet (about 1500 bytes - header--say 1460 give or take) then this is a sign that a piece of the network somehow has the wrong MTU size. I have seen network ports not get their MTU set to 1502 or 1504 and when this happens it causes th

strange problem, may be related to ssh

2023-11-11 Thread fedora
Since the middle of the night on 7/Nov, uploading files with ssh is problematic. My SMTP server requires SSL/TLS security, and uploading files to the same site requires sftp. So both run over ssh. I have a few scripts that run from cron and send me mail when required. They also upload some file