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Information Security
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Re: Sending FIX messages across internet
Jörg Thönnes / Macdonald Associates
18 May 2005 5:26AM ET> Sending FIX messages over the internet is possible but generally not
> used for sensitive business traffic. Although PGP-DES-MD5 or SSL
> software encryption methods can be used to overcome this.
>
> Alternatively a VPN could be used, thus helping to reduce the complexity
> and cost of managing connections and encrypted sessions.
Virtual Private Network just says that you run a virtual network based on a physical one. The physical network can be also the internet.
> > Is it possible to send FIX message through SSH tunnel across
> > internet?
> > Is there alternate way to send FIX message across internet?
Actually, an SSH tunnel is poor mans VPN. A real VPN is much more comfortable if you want to connect several computer. Just for one link with fixed IP addresses and port numbers an SSH tunnel should be fine. The encryption methods used by VPN and SSH are virtually the same: You can use stronger and weaker methods depending on your requirements.
Have a look at http://www.stunnel.org as a simple alternative to SSH port forwarding.
In summary, my answer is: "Yes, you can use SSH to send FIX messages securely over the internet. The level of security depends on the level of security your SSH connection provides."
Cheers, Jörg
Re: Sending FIX messages across internet
Jörg Thönnes / Macdonald Associates 18 May 2005 5:26AM ET
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