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-Response modification
-=====================
-
-This example shows how to modify the response produced by the ``iterator`` module.
-
-As soon as the iterator module returns the response, we :
-
-1. invalidate the data in cache
-2. modify the response *TTL*
-3. rewrite the data in cache
-4. return modified packet
-
-Note that the steps 1 and 3 are neccessary only in case, the python module is the first module in the processing chain.
-In other cases, the validator module guarantees updating data which are produced by iterator module.
-
-Complete source code
---------------------
-
-.. literalinclude:: ../../examples/resmod.py
- :language: python
-
-Testing
--------
-
-Run Unbound server:
-
-``root@localhost>unbound -dv -c ./test-resmod.conf``
-
-Issue a query for name ending with "nic.cz."
-
-``>>>dig A @127.0.0.1 www.nic.cz``
-
-::
-
- ;; global options: printcmd
- ;; Got answer:
- ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 48831
- ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 3, ADDITIONAL: 5
-
- ;; QUESTION SECTION:
- ;www.nic.cz. IN A
-
- ;; ANSWER SECTION:
- www.nic.cz. 10 IN A 217.31.205.50
-
- ;; AUTHORITY SECTION:
- nic.cz. 10 IN NS e.ns.nic.cz.
- nic.cz. 10 IN NS a.ns.nic.cz.
- nic.cz. 10 IN NS c.ns.nic.cz.
-
- ;; ADDITIONAL SECTION:
- a.ns.nic.cz. 10 IN A 217.31.205.180
- a.ns.nic.cz. 10 IN AAAA 2001:1488:dada:176::180
- c.ns.nic.cz. 10 IN A 195.66.241.202
- c.ns.nic.cz. 10 IN AAAA 2a01:40:1000::2
- e.ns.nic.cz. 10 IN A 194.146.105.38
-
- ;; Query time: 166 msec
- ;; SERVER: 127.0.0.1#53(127.0.0.1)
- ;; WHEN: Mon Jan 02 13:39:43 2009
- ;; MSG SIZE rcvd: 199
-
-As you can see, TTL of all the records is set to 10.