[rbldnsd] ACL Syntax help (I'm a retard and didn't make a backup)

[Roland Gaspar]

Michael,

That's perfect!  Many thanks!

-Roland
On 23-Jul-08, at 11:19 AM, Michael Tokarev wrote:

> Roland Gaspar wrote:
>> Hi All,
>>
>> Am new to the list, and looked through the archives but did not see  
>> this addressed; if it has, feel free to point me to the right post!
>>
>> I set up an rbldnsd server about a year ago, with the simple  
>> purpose of returning the client's IP address when a TXT query was  
>> sent.
>> (my very specific need was to know the IP address of the DNS server  
>> connecting to me, and I could not find an easier way to explain the  
>> DNS process to clients.)
>> I remember I did this in the ACL file, since in the ACL file, the $  
>> is replaced by the client IP instead of the queried IP.
>>
>> I lost that acl file.
>>
>> the clients are told to query the TXT record for  
>> 1.1.1.1.rbltest.domain.com , and the answer they get is "Your IP is  
>> a.b.c.d"
>>
>> The zone file loaded by rbldnsd simply contains:
>> 1.1.1.1
>>
>> The ACL file specified the TXT string to return, but I've lost that  
>> machine, and the ACL file is corrupted in my backups.
>>
>> I'm pressed for time, and could really use a hand.
>
> Such an acl data file - there's a trick in constructing it.  In
> rbldnsd(8) manpage there are 2 relevant sections - ACL itself
> and "ip4trie" dataset type referred to in ACL description.  The
> trick is to construct an entry that matches ALL IP addresses.
> The following should work:
>
> ===== cut =====
> 0.0.0.0/1 Your IP is $
> 128.0.0.0/1 Your IP is $
> ===== cut =====
>
> /mjt
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