On Thu, 09 Dec 2004 00:01:36 -0800, Lonnie Princehouse wrote:
> I believe you can still do this with only compiling a regex once and
> then performing a few substitutions on the hostname.
That is a interesting idea. Convert ip matches to fixed patterns, and
*then* match the regex. I think I wo
On Fri, 10 Dec 2004 22:03:20 +, JanC wrote:
> Stuart D. Gathman schreef:
>
>> I have a function that recognizes PTR records for dynamic IPs. There
> Did you also think about ISPs that use such a PTR record for both dynamic
> and fixed IPs?
There seems to be a lot of misunderstanding about
Stuart D. Gathman schreef:
> I have a function that recognizes PTR records for dynamic IPs. There
> is no hard and fast rule for this - every ISP does it differently, and
> may change their policy at any time, and use different conventions in
> different places. Nevertheless, it is useful to app
On Thu, 09 Dec 2004 00:01:36 -0800, Lonnie Princehouse wrote:
> I believe you can still do this with only compiling a regex once and
> then performing a few substitutions on the hostname.
Cool idea. Convert ip matches to fixed patterns before matching a fixed
regex. The leftovers like shaw cable
On Wed, 08 Dec 2004 18:38:14 -0500, Stuart D. Gathman wrote:
>> Here are the last 20 (which my subjective judgement says are correct):
>
> 65.112.76.15usfshlxmx01.myreg.net 201.128.108.41
[snip]
> 80.143.79.97p508F4F61.dip0.t-ipconnect.de DYN
Looks like you could do something like look
On Wed, 08 Dec 2004 16:09:43 -0500, Stuart D. Gathman <[EMAIL PROTECTED]>
wrote:
I have a function that recognizes PTR records for dynamic IPs. There is
no hard and fast rule for this - every ISP does it differently, and may
change their policy at any time, and use different conventions in
diff
Doh! I misread "a" as host instead of ip in your first post. I'm
sorry about that; I really must slow down. Anyhow,
I believe you can still do this with only compiling a regex once and
then performing a few substitutions on the hostname.
Substitutions:
1st byte of IP => (0)
2nd byte of IP =>
On Wed, 08 Dec 2004 19:52:53 -0500, Lonnie Princehouse wrote:
> I don't think a Bayesian classifier is going to be very helpful here,
> unless you have tens of thousands of examples to feed it, or unless it
We do have tens of thousands of examples to feed it.
> The series of if host.find(...) li
I don't think a Bayesian classifier is going to be very helpful here,
unless you have tens of thousands of examples to feed it, or unless it
was specially coded to first break addresses into better tokens for
classification (such as alphanumeric strings and numbers).
The series of if host.find(...
On Wed, 08 Dec 2004 18:39:15 -0500, Lonnie Princehouse wrote:
> Regular expressions.
>
> It takes a while to craft the expressions, but this will be more
> elegant, more extensible, and considerably faster to compute (matching
> compiled re's is fast).
I'm already doing that with the rehmac rege
On 8 Dec 2004 15:39:15 -0800, Lonnie Princehouse
<[EMAIL PROTECTED]> wrote:
> Regular expressions.
>
> It takes a while to craft the expressions, but this will be more
> elegant, more extensible, and considerably faster to compute (matching
> compiled re's is fast).
I think that this problem is p
Regular expressions.
It takes a while to craft the expressions, but this will be more
elegant, more extensible, and considerably faster to compute (matching
compiled re's is fast).
Example using the top five from your function's comments:
. host_patterns = [
. '^1Cust\d+\.tnt\d+\..*\.da\.uu\
On Wed, 08 Dec 2004 18:00:06 -0500, Mitja wrote:
> On Wed, 08 Dec 2004 16:09:43 -0500, Stuart D. Gathman <[EMAIL PROTECTED]>
> wrote:
>
>> I have a function that recognizes PTR records for dynamic IPs Here
>> is the very ugly code so far.
>> ...
>> # examples we don't yet recognize:
>> ...
>
On Wed, 08 Dec 2004 16:09:43 -0500, Stuart D. Gathman <[EMAIL PROTECTED]>
wrote:
I have a function that recognizes PTR records for dynamic IPs
Here is the very ugly code so far.
...
# examples we don't yet recognize:
...
This doesn't help much; post example of all the possible patterns you h
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