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You are being directed to the US FBI where your IP address and details will also be logged.

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Special Forums Cybersecurity You are being directed to the US FBI where your IP address and details will also be logged.
# 8  
Old 09-27-2019
Quote:
Originally Posted by wisecracker
It seems odd to me that there is goto in ANSI C, and, Assembl[y][er] code uses JMPs and BRAs in absolute, relative with and without offsets etc... and yet it is frowned upon.
It's the legacy of an old war. Many generations of programmers learned BASIC or worse and never recovered. Ask them to use C, and they'd write one giant main(), 50,000 lines long, without structure -- just labels, gotos, and as many local variables as the compiler permits. They might use loops, or those might be written with goto's too.

If you don't program that way, ignore them, they're not talking to you.
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LEARN ABOUT DEBIAN

rblcheck

RBLCHECK(1)							   User Commands						       RBLCHECK(1)

NAME

       rblcheck - check if an IP address is blacklisted

SYNOPSIS

       rblcheck [-qtlcvh?] [-s <service>] <address> [ <address> ... ]

DESCRIPTION

       rblcheck is a very basic interface to DNSBL listings such as those operated by The Spamhaus Project or Spamcop.

       The  general  idea  behind  DNSBL listings is rapid lookup of IP addresses using DNS (for example, for blacklisting IP addresses because of
       abuse). Each IP address is reversed and has a domain name attached to it; for example, the IP address 127.0.0.2 would become 2.0.0.127, and
       then a domain such as "relays.visi.com" would be added to it. You would then try to resolve the result (ie.  2.0.0.127.relays.visi.com); if
       you receive a positive reply, then you know that the address is listed. Further information can also be queried, such as text  descriptions
       of why the address was listed.

OPTIONS

       -q     Quiet mode; outputs only matching IP address(es) - use return code (see below).

       -t     Print a TXT record, if any.

       -m     Stop checking after first address match in any list.

       -l     List default DNSBL services to check.

       -c     Clear the current list of DNSBL services.

       -s <service>
	      Toggle service in the DNSBL list.

       -h, -? Display the help message.

       -v     Display version information.

       <address>
	      An IP address to look up; specify `-' to read multiple addresses from standard input.

RETURN CODES

       When  invoked,  rblcheck  returns  either  0  (to indicate error, or that the address was not in any of the listings), or a positive number
       (indicating the number of listings that the IP address was found in).

SEE ALSO

       /usr/share/doc/rblcheck/, esp. /usr/share/doc/rblcheck/rblcheck.txt.gz

COPYRIGHT

       Copyright (C) 1997, 1998, 1999, 2000, 2001 Edward S. Marshall

       Man page created for the Debian Project with the help of help2man(1) based on the output of `rblcheck -h` and the above mentioned text file
       by Gregor Herrmann <gregor+debian@comodo.priv.at>.

rblcheck 1.5-20020316						    August 2004 						       RBLCHECK(1)