[dba-Tech] List

[John Colby]

Yes I too have been trying to replace logmein with free and  better.
On Mar 1, 2016 14:35, "Jim Lawrence" <accessd at shaw.ca> wrote:

> Hi All:
>
> I have been working on a cross network communications project for the last
> couple of weeks and learned more about products, protocols and related
> standards than I ever wanted to know. If you are very knowledgeable about
> the protocols SSH/SSL you can jump the following paragraph.
>
> Preamble: SSL and SSH are very similar protocols, in fact they are almost
> the same, with code and functionality. I have discovered that these two
> protocols are virtually in all modern secure communications...it is just
> that their presents has been abstracted away. SSL goes a little beyond SSH
> in that it will open a secure (fully encrypted) Ethernet tunnel between
> computers, computers of any type and OS. This allows an extended network
> that could be anywhere in the world and bridge clients to servers and
> clients to clients...connection methods are limited only by your
> imagination and knowledge of these protocols. Most of our remote take-over
> programs use SSL at their core. Like LogMeIn, Teamviewer, X2Go and a host
> of other similar applications. Companies like Google, Oracle, IBM,
> Microsoft and many B2B type application like VoiceIP, Microsoft update
> services, secure IRC apps and a host of remote management systems...
>
> I have been trying to get OpenVPN running from various sites to some sites
> and ran into so many conflicts. (OpenVPN uses SSL of course.) Aside subject
> from the above topic, is the addresses and ports used to manage these
> various applications. For all of those who have played around with
> addresses and ports, here is the latest list:
>
> http://bit.ly/1L2GEW1
>
> All businesses that have been in business for a while tend to have their
> own preferences and have configured their applications to use one port or
> the another with little concern for the industry standards. This has been
> reflected in their routers, smart switches, spam filters, bridges and
> firewalls so when trying to install a new application, on a site, using a
> product like OpenVPN, it can become a nightmare of reconfiguring. The
> application may be connected for hours at a time, managing, monitoring, and
> transferring data between remote sites.
>
> Note that the first 40,000 ports can be a mine-field of conflicts and
> potential conflicts and I wished I had known about the latest version of
> the above list. If anyone here remembers the 16 IRQ choices on the old PCs
> (pre-2000), they will understand the problem with port usage. I have been
> able to "blue-screen" any Windows 7 computer with impunity...apparently
> application port conflict can be fatal to certain desktop PCs. That said ,I
> have not tested all Windows products so this issue may be that of only
> related to one Windows version but my Windows 10 has been giving a very
> good imitation of instability but it is not consistent and I may have
> inadvertently introduced other unrelated issues. As I am no longer working
> for a company the has Microsoft phone support, it is difficult to discover
> causes and solutions. The last time I did use Microsoft support, it took
> about two weeks to resolve a problem. Their tech staff earned every penny
> of the $365 charge. ;-)
>
> Jim
>
>
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