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1

This is somewhat related to - but different from - Recommendation for a non-standard SSL port .

One answer there suggests that binding to 8443 is a valid example of an alternate HTTPS socket configuration. However, under some Windows systems, 8443 falls within the ephemeral port range.

My questions are:

• Are there any risks associated with binding a service - such as sshd or httpd - to listen to a port in the ephemeral range?


• Could it interfere with the creation of outgoing sockets? In particular, will a listening socket and a connecting socket on the same address with the same port interfere, collide, or otherwise fail?


• Is it expected in such a case that a client request a new ephemeral port until it finds one that is available?

ip port

share|improve this question

asked May 2 at 22:30

ReinderienReinderien

128110

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Other than all mentioned products being EOL, i suppose there shouldn't be a problem. Or just reconfigure the EPR on the systems. (or use modern OS/software, which ususally has an EPR of 49152 to 65535)
  
  – Lenniey
  May 3 at 8:24
  

  
  
  
  

add a comment | 

1

This is somewhat related to - but different from - Recommendation for a non-standard SSL port .

One answer there suggests that binding to 8443 is a valid example of an alternate HTTPS socket configuration. However, under some Windows systems, 8443 falls within the ephemeral port range.

My questions are:

• Are there any risks associated with binding a service - such as sshd or httpd - to listen to a port in the ephemeral range?


• Could it interfere with the creation of outgoing sockets? In particular, will a listening socket and a connecting socket on the same address with the same port interfere, collide, or otherwise fail?


• Is it expected in such a case that a client request a new ephemeral port until it finds one that is available?

ip port

share|improve this question

asked May 2 at 22:30

ReinderienReinderien

128110

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Other than all mentioned products being EOL, i suppose there shouldn't be a problem. Or just reconfigure the EPR on the systems. (or use modern OS/software, which ususally has an EPR of 49152 to 65535)
  
  – Lenniey
  May 3 at 8:24
  

  
  
  
  

add a comment | 

This is somewhat related to - but different from - Recommendation for a non-standard SSL port .

One answer there suggests that binding to 8443 is a valid example of an alternate HTTPS socket configuration. However, under some Windows systems, 8443 falls within the ephemeral port range.

My questions are:

• Are there any risks associated with binding a service - such as sshd or httpd - to listen to a port in the ephemeral range?


• Could it interfere with the creation of outgoing sockets? In particular, will a listening socket and a connecting socket on the same address with the same port interfere, collide, or otherwise fail?


• Is it expected in such a case that a client request a new ephemeral port until it finds one that is available?

ip port

share|improve this question

asked May 2 at 22:30

ReinderienReinderien

128110

share|improve this question

asked May 2 at 22:30

ReinderienReinderien

128110

share|improve this question

asked May 2 at 22:30

ReinderienReinderien

128110

asked May 2 at 22:30

ReinderienReinderien

128110

asked May 2 at 22:30

ReinderienReinderien

128110