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General software and network General OS-independent software and network questions, X11, MTA, routing, etc.

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Old 21st March 2009
maxrussell maxrussell is offline
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Default SSH on port 443

I've set my sshd config to use port 443. I've also set my ISP firewall and router firewall to accept port 443. I can run
Code:
ssh -p 443 localhost
and log in. However, when I try and run it using my dyndyns name, the shell hangs/no response is returned to the command.

I've been googling and I've been hacking. What am I missing please?

EDIT - sorry, had multiple tabs open and posted this in the wrong place, could a mod please move it to a more appropriate section if deemed necessary?

Last edited by maxrussell; 21st March 2009 at 04:51 PM.
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Old 21st March 2009
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anomie anomie is offline
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I was wondering why someone would post a guide on changing a single config file directive.

Let's see the output of:
  • % sockstat -4l
  • % ifconfig

What sort of router are you using? If you're on private IP space and using NAT, it may be that you need to forward tcp 443 requests to your internal server.

Additionally, it may not be possible it ssh to your modem's/NAT device's external IP address from an internal network. You should probably test this from somewhere else on the 'net.
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Old 22nd March 2009
maxrussell maxrussell is offline
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Code:
USER     COMMAND    PID   FD PROTO  LOCAL ADDRESS         FOREIGN ADDRESS
max      kget       1115  10 udp4   *:*                   *:*
max      ktorrent   1110  15 tcp4   *:6881                *:*
root     sendmail   902   3  tcp4   127.0.0.1:25          *:*
root     sshd       896   4  tcp4   *:443                 *:*
root     amd        760   4  udp4   *:1023                *:*
root     amd        760   5  tcp4   *:888                 *:*
root     amd        760   6  udp4   *:988                 *:*
root     amd        760   7  udp4   *:1022                *:*
root     rpcbind    758   9  udp4   *:111                 *:*
root     rpcbind    758   10 udp4   *:879                 *:*
root     rpcbind    758   11 tcp4   *:111                 *:*
root     syslogd    709   7  udp4   *:514                 *:*
Code:
nfe0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
        options=8<VLAN_MTU>
        ether 00:13:8f:a5:1f:bf
        inet 192.168.1.2 netmask 0xffffff00 broadcast 192.168.1.255
        media: Ethernet autoselect (100baseTX <full-duplex>)
        status: active
plip0: flags=108810<POINTOPOINT,SIMPLEX,MULTICAST,NEEDSGIANT> metric 0 mtu 1500
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
        inet6 fe80::1%lo0 prefixlen 64 scopeid 0x3
        inet6 ::1 prefixlen 128
        inet 127.0.0.1 netmask 0xff000000
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Old 22nd March 2009
maxrussell maxrussell is offline
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needed ddclient, portforwarding of 443 on my router and a modification of /etc/hosts. Seems okay now, will check from an outside location at earliest opportunity.
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Old 6th April 2009
flip flip is offline
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And?

I've been using ssh via port 443 to my home network from remote locations for quite some time and was surprised (at first) to see that it might not work. I also use this configuration to secure any web traffic for those that are so inclined.

Nothing to add here, just wondering if the OP was able to correct the issue.
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