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authorJen Selby <jenselby@mit.edu>2002-06-26 21:15:11 +0000
committerJen Selby <jenselby@mit.edu>2002-06-26 21:15:11 +0000
commita522464928341b63106c397cd0635a7d8700bbc8 (patch)
tree6533fdaf87015c17dab651a46e5bf801314a43de /doc/dnstxt.texinfo
parent6c3b5028ae243b6afbfe96547d08581c4894ce6b (diff)
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* Makefile: changed the way html output is generated, made "make all"
remove generated tex files * admin.texinfo: added sections about encryption types and salts, updated the configuration file sections, revised the example configuration files, updated dates on output strings, added an explanation of destroying a Kerberos database * build.texinfo: changed the description of the tarball * definitions.texinfo: added variables for all the default values so that they can all be updated in one place, changed the release from 1.2 to 1.3 * dnstxt.texinfo updated the information * install.texinfo added more description of the configuration files and the minimum needed in the files to set up a kerberos realm, revised the examples of the configuration file sections, took out old encryption type and salt information * kdcconf.texinfo: new file, taken from the admin guide and included in both the admin and install guides, provides descriptions of the sections in kdc.conf * krb425.texinfo: moved a texinfo tag so that makeinfo --html would work * krb5conf.texinfo: new file, take from the admin guide and included in both the admin and install guides, provides descriptions of the sections in krb5.conf * man2html, man2html.M: new files, a perl program to create html pages from the output of the man command * salts.texinfo: new file, a description of the different salt types that are currently supported * support-enc.texinfo: new file, a description of the currently supported encryptions types * user-guide.texinfo: added a section describing different ticket flags, added a way to have the man pages in the reference section accessible in the html version of the documentation git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@14587 dc483132-0cff-0310-8789-dd5450dbe970
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diff --git a/doc/dnstxt.texinfo b/doc/dnstxt.texinfo
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@@ -8,15 +8,15 @@ hostname-by-hostname basis. Since greater specificity takes precedence,
you would do this by specifying the mappings for a given domain or
subdomain and listing the exceptions.
-The second mechanism, recently introduced into the MIT code base but not
-currently used by default, works by looking up the information in
-special @code{TXT} records in the Domain Name Service. If this
-mechanism is enabled on the client, it will try to look up a @code{TXT}
-record for the DNS name formed by putting the prefix @code{_kerberos} in
-front of the hostname in question. If that record is not found, it will
-try using @code{_kerberos} and the host's domain name, then its parent
-domain, and so forth. So for the hostname
-BOSTON.ENGINEERING.FOOBAR.COM, the names looked up would be:
+The second mechanism works by looking up the information in special
+@code{TXT} records in the Domain Name Service. This is currently not
+used by default because security holes could result if the DNS TXT
+records were spoofed. If this mechanism is enabled on the client,
+it will try to look up a @code{TXT} record for the DNS name formed by
+putting the prefix @code{_kerberos} in front of the hostname in question.
+If that record is not found, it will try using @code{_kerberos} and the
+host's domain name, then its parent domain, and so forth. So for the
+hostname BOSTON.ENGINEERING.FOOBAR.COM, the names looked up would be:
@smallexample
_kerberos.boston.engineering.foobar.com