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From: Sam Michaels <sam@samtheham.org>
To: bitcoin-development@lists.sourceforge.net
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Subject: [Bitcoin-development] External IP Address
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--047d7b2e55ae12373804f4b3e995
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Hello devs.
I was poking around in the code for a small project and I came across the
function GetMyExternalIP() in net.cpp. The comment says you'd like to
phase out the current method.
I threw together exactly what was asked in the comments: it's a site that
has PHP echo the IP address. Additionally, it captures the IP, user agent,
and time for analysis (a client with the same IP and user agent just
updates the entry).
The site for the client is: ip.bitcheck.us. It does a quick search for
"Mozilla" in the user agent to redirect browers that go there.
The following information is sent:
---
GET / HTTP/1.1
Host: ip.bitcheck.us
User-Agent: /Satoshi:0.8.6/
Connection: close
---
And following is received:
---
HTTP/1.1 200 OK
Date: Sun, 16 Mar 2014 05:31:51 GMT
Server: Apache mod_fcgid/2.3.10-dev
X-Powered-By: Satoshi v1.0
X-Client-Update: yes
Content-Length: 9
Connection: close
Content-Type: text/html
127.0.0.1
---
You can look for X-Client-Update to see if the check in was logged. Other
information can be passed in the header, too.
Errors are trapped so that it will always display the IP address and any
error information is contained in the headers.
Hope you find this useful.
Sam
--047d7b2e55ae12373804f4b3e995
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable
<div dir=3D"ltr">Hello devs.<div><br></div><div>I was poking around in the =
code for a small project and I came across the function GetMyExternalIP() i=
n net.cpp. =A0The comment says you'd like to phase out the current meth=
od.</div>
<div><br></div><div>I threw together exactly what was asked in the comments=
: it's a site that has PHP echo the IP address. =A0Additionally, it cap=
tures the IP, user agent, and time for analysis (a client with the same IP =
and user agent just updates the entry).</div>
<div><br></div><div>The site for the client is: <a href=3D"http://ip.bitche=
ck.us">ip.bitcheck.us</a>. =A0It does a quick search for "Mozilla"=
; in the user agent to redirect browers that go there.</div><div><br></div>
<div>The following information is sent:</div><div><br></div><div>---</div><=
div>GET / HTTP/1.1</div><div>Host: <a href=3D"http://ip.bitcheck.us">ip.bit=
check.us</a></div><div>User-Agent: /Satoshi:0.8.6/</div><div>Connection: cl=
ose</div>
<div>---</div><div><br></div><div>And following is received:</div><div><br>=
</div><div>---</div><div>HTTP/1.1 200 OK</div><div>Date: Sun, 16 Mar 2014 0=
5:31:51 GMT</div><div>Server: Apache mod_fcgid/2.3.10-dev</div><div>X-Power=
ed-By: Satoshi v1.0</div>
<div>X-Client-Update: yes</div><div>Content-Length: 9</div><div>Connection:=
close</div><div>Content-Type: text/html</div><div><br></div><div>127.0.0.1=
</div><div>---</div><div><br></div><div>You can look for X-Client-Update to=
see if the check in was logged. =A0Other information can be passed in the =
header, too.</div>
<div><br></div><div>Errors are trapped so that it will always display the I=
P address and any error information is contained in the headers.</div><div>=
<br></div><div>Hope you find this useful.</div><div><br></div><div>Sam</div=
>
</div>
--047d7b2e55ae12373804f4b3e995--
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