Hi, what are the differences among "ssh", "rlogin" and "telnet"? Which one is better and when are each of these are recommended to use? Thanks.
On Thu, 2 Mar 2006, SolarisUser wrote: > what are the differences among "ssh", "rlogin" and "telnet"? Which one > is better and when are each of these are recommended to use? ssh encrypts traffic, the others don't. SSh should always be used, and there's no reason to use the others these days. -- Rich Teer, SCNA, SCSA, OpenSolaris CAB member President, Rite Online Inc. Voice: +1 (250) 979-1638 URL: http://www.rite-group.com/rich
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>> what are the differences among "ssh", "rlogin" and "telnet"? Which one >> is better and when are each of these are recommended to use? > > ssh encrypts traffic, the others don't. SSh should always be used, > and there's no reason to use the others these days. Its hard to use telnet in order to test a smtp server, I really prefer telnet for that ;-) -- Groetjes, Peter ..\\ PGP/GPG key: http://www.catslair.org/pubkey.asc
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On Thu, 2 Mar 2006, Lion-O wrote: > >> what are the differences among "ssh", "rlogin" and "telnet"? Which one > >> is better and when are each of these are recommended to use? > > > > ssh encrypts traffic, the others don't. SSh should always be used, > > and there's no reason to use the others these days. > > Its hard to use telnet in order to test a smtp server, I really prefer telnet > for that ;-) Agreed, but I figured someone who was asking the original question probably wouldn't be using telnet in that way! -- Rich Teer, SCNA, SCSA, OpenSolaris CAB member President, Rite Online Inc. Voice: +1 (250) 979-1638 URL: http://www.rite-group.com/rich
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In article <Pine.SOL.4.64.0603022152250.13233@marrakesh>, Rich Teer <rich.teer@rite-group.com> writes: > On Thu, 2 Mar 2006, Lion-O wrote: > >> >> what are the differences among "ssh", "rlogin" and "telnet"? Which one >> >> is better and when are each of these are recommended to use? >> > >> > ssh encrypts traffic, the others don't. SSh should always be used, >> > and there's no reason to use the others these days. >> >> Its hard to use telnet in order to test a smtp server, I really prefer telnet >> for that ;-) > > Agreed, but I figured someone who was asking the original question probably > wouldn't be using telnet in that way! They each have their place. Many appliance-type devices only support telnet. ssh is probably overkill where you don't need security (such as between my home machines) and where you are passing large amounts of data for which the enryption overhead is a waste, when rlogin/rsh would be a better choice. You could claim perhaps ssh is the best default choice, but to claim it should should always be used is far too blinkered. BTW, mconnect is better for testing smtp servers (or any of the other internet protocols which use the telnet NVT in alternate command-response mode, such as NNTP). -- Andrew Gabriel
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Andrew Gabriel <andrew@cucumber.demon.co.uk> wrote: > In article <Pine.SOL.4.64.0603022152250.13233@marrakesh>, > Rich Teer <rich.teer@rite-group.com> writes: >> On Thu, 2 Mar 2006, Lion-O wrote: >> >>> >> what are the differences among "ssh", "rlogin" and "telnet"? Which one >>> >> is better and when are each of these are recommended to use? >>> > >>> > ssh encrypts traffic, the others don't. SSh should always be used, >>> > and there's no reason to use the others these days. >>> >>> Its hard to use telnet in order to test a smtp server, I really prefer telnet >>> for that ;-) >> >> Agreed, but I figured someone who was asking the original question probably >> wouldn't be using telnet in that way! > > They each have their place. Many appliance-type devices only support > telnet. ssh is probably overkill where you don't need security (such > as between my home machines) and where you are passing large amounts > of data for which the enryption overhead is a waste, when rlogin/rsh > would be a better choice. You could claim perhaps ssh is the best > default choice, but to claim it should should always be used is far > too blinkered. > > BTW, mconnect is better for testing smtp servers (or any of the > other internet protocols which use the telnet NVT in alternate > command-response mode, such as NNTP). Heh. Funny you should say this after your previous paragraph. According to the umm..."documentation," mconnect wouldn't be a lot of use for trying multiple SMTP commands in a single session. Telnet is very useful for this.
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Thanks to every one for this good information.
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Lion-O schrieb: >>>what are the differences among "ssh", "rlogin" and "telnet"? Which one >>>is better and when are each of these are recommended to use? >> >>ssh encrypts traffic, the others don't. SSh should always be used, >>and there's no reason to use the others these days. > > > Its hard to use telnet in order to test a smtp server, I really prefer telnet > for that ;-) > than take a look for nc (netcat), it a lot easyer to script.
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