Port 993 won't open on IPv4

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#1 Tue, 03/06/2018 - 22:33
philipnewmannz

Port 993 won't open on IPv4

I'm trying to get Dovecot to work on Port 993 on IPv4. For some reason it's working fine on IPv6.

In the 10-master-conf I have:

service imap-login {
  inet_listener imap {
    #port = 143
  }
  inet_listener imaps {
    port = 993
    ssl = yes
  }

  # Number of connections to handle before starting a new process. Typically
  # the only useful values are 0 (unlimited) or 1. 1 is more secure, but 0
  # is faster. <doc/wiki/LoginProcess.txt>
  #service_count = 1

  # Number of processes to always keep waiting for more connections.
  #process_min_avail = 0

  # If you set service_count=0, you probably need to grow this.
  #vsz_limit = $default_vsz_limit
}

service pop3-login {
  inet_listener pop3 {
    #port = 110
  }
  inet_listener pop3s {
    port = 995
    ssl = yes
  }
}

In theory shouldn't it open both a port on ip4 and ip6?

Operating system Debian Linux 8 Webmin version 1.872
Usermin version 1.734 Virtualmin version 6.02-3