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Special Forums Cybersecurity Dns cache poisoning upgrade to bind9.5.0p2 Post 302224811 by Neo on Thursday 14th of August 2008 03:39:09 AM
Old 08-14-2008
Lowering the TTL is not necessarily a good thing for this issue.

See attached BlackHat presentation by Dan.
 

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ldns(3) 						     Library Functions Manual							   ldns(3)

NAME
ldns_rr2str, ldns_pkt2str, ldns_rdf2str, ldns_rr_list2str, ldns_key2str- SYNOPSIS
#include <stdint.h> #include <stdbool.h> #include <ldns/ldns.h> char* ldns_rr2str(const ldns_rr *rr); char* ldns_pkt2str(const ldns_pkt *pkt); char* ldns_rdf2str(const ldns_rdf *rdf); char* ldns_rr_list2str(const ldns_rr_list *rr_list); char* ldns_key2str(const ldns_key *k); DESCRIPTION
ldns_rr2str() Converts the data in the resource record to presentation format and returns that as a char *. Remember to free it. rr: The rdata field to convert Returns null terminated char * data, or NULL on error ldns_pkt2str() Converts the data in the DNS packet to presentation format and returns that as a char *. Remember to free it. pkt: The rdata field to convert Returns null terminated char * data, or NULL on error ldns_rdf2str() Converts the data in the rdata field to presentation format and returns that as a char *. Remember to free it. rdf: The rdata field to convert Returns null terminated char * data, or NULL on error ldns_rr_list2str() Converts a list of resource records to presentation format and returns that as a char *. Remember to free it. rr_list: the rr_list to convert to text Returns null terminated char * data, or NULL on error ldns_key2str() Converts a private key to the test presentation fmt and returns that as a char *. Remember to free it. k: the key to convert to text Returns null terminated char * data, or NULL on error AUTHOR
The ldns team at NLnet Labs. Which consists out of Jelte Jansen and Miek Gieben. REPORTING BUGS
Please report bugs to ldns-team@nlnetlabs.nl or in our bugzilla at http://www.nlnetlabs.nl/bugs/index.html COPYRIGHT
Copyright (c) 2004 - 2006 NLnet Labs. Licensed under the BSD License. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. SEE ALSO
ldns_rr_print, ldns_rdf_print, ldns_pkt_print, ldns_rr_list_print, ldns_resolver_print, ldns_zone_print. And perldoc Net::DNS, RFC1034, RFC1035, RFC4033, RFC4034 and RFC4035. REMARKS
This manpage was automaticly generated from the ldns source code by use of Doxygen and some perl. 30 May 2006 ldns(3)
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