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тАО11-18-2004 03:09 AM
тАО11-18-2004 03:09 AM
TCP/IP Ignores/Accepts Odd Characters...
GAMMA_ROB$$$ telnet delt\a
%TELNET-I-TRYING, Trying ... 192.168.242.204
%TELNET-I-SESSION, Session 01, host delt\a, port 23
-TELNET-I-ESCAPE, Escape character is ^]
Username: Exit
Error reading command input
End of file detected
%TELNET-S-REMCLOSED, Remote connection closed
-TELNET-I-SESSION, Session 01, host delt\a, port 23
GAMMA_ROB$$$ nslookup delt\a
Server: codc-1.uk.randomhouse.com
Address: 10.112.19.4
Name: delta.uk.randomhouse.com
Address: 192.168.242.204
GAMMA_ROB$$$
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тАО11-18-2004 03:31 AM
тАО11-18-2004 03:31 AM
Re: TCP/IP Ignores/Accepts Odd Characters...
Must be Unix indication that the character following the \ must be taken as it is.
In any case, it doesn't work on my 7.3 system with a simple host file.
Wim
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тАО11-18-2004 03:48 AM
тАО11-18-2004 03:48 AM
Re: TCP/IP Ignores/Accepts Odd Characters...
I came to the same results as Wim. If the host is defined in my DNS server which runs on Linux I can use the \. If the host is only localy defined in TCPIP I receive the error:
%TELNET-E-IVHOST, Invalid or unknown host be\ta
I also tested with a simple program which calls gethostbyname (). The results are same.
So this must be a DNS thing.
Bojan
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тАО11-18-2004 07:50 PM
тАО11-18-2004 07:50 PM
Re: TCP/IP Ignores/Accepts Odd Characters...
does it work with other od charactes?
For examaple sharp, percent?
Backslash is escape character in C language, so backslash followed by another char means something.
\n is newline
\t is HT
\b is backspace
\\ is backslash
\xhh is hex rappresentation
Only for fun you can try something like
$ telnet delt\x41
Cheers
Antonio Vigliotti
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тАО11-19-2004 12:08 AM
тАО11-19-2004 12:08 AM
Re: TCP/IP Ignores/Accepts Odd Characters...
It seems that if the name fits without \ it's taken, but the next character must NOT be a digit.
I did this for a number of special characters under 7.3-1 - see attached procedure (not a very nice one but it works).
It seems any character is valid, except the obvious % and * (wildcard characters); you may need to do something special (put the name in quotes, for instance).
It might well be quit normal. Unix (where TCPIP comes from) will probably accept a lot of characters as valid - whether it makes sense or not. I have no facilities to see how Unix would behave in cases like this.
OpenVMS Developer & System Manager
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тАО11-23-2004 06:16 AM
тАО11-23-2004 06:16 AM