[129277] in North American Network Operators' Group
RE: Teredo and 'firewalls' (Re: Comcast enables 6to4 relays)
daemon@ATHENA.MIT.EDU (Sean Siler)
Tue Aug 31 14:02:01 2010
From: Sean Siler <Sean.Siler@microsoft.com>
To: Jeroen Massar <jeroen@unfix.org>, Jack Bates <jbates@brightok.net>
Date: Tue, 31 Aug 2010 18:01:43 +0000
In-Reply-To: <4C7D3E8A.4020805@unfix.org>
Cc: NANOG <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
MS4gSSBjb21wbGV0ZWx5IGFncmVlIHdpdGggSmVyb2VuIA0KMi4gSmFjaywgaWYgeW91IGhhdmUg
c3BlY2lmaWMgY29uY2VybnMgdGhhdCBKZXJvZW4gaGFzbid0IGFuc3dlcmVkLCBmZWVsIGZyZWUg
dG8gcGluZyBtZSBvZmYgbGluZS4gSSBvd24gVGVyZWRvIGluIFdpbmRvd3MuDQoNClNlYW4gZnJv
bSAiTSQiDQoNCi0tLS0tT3JpZ2luYWwgTWVzc2FnZS0tLS0tDQpGcm9tOiBKZXJvZW4gTWFzc2Fy
IFttYWlsdG86amVyb2VuQHVuZml4Lm9yZ10gDQpTZW50OiBUdWVzZGF5LCBBdWd1c3QgMzEsIDIw
MTAgMTA6NDAgQU0NClRvOiBKYWNrIEJhdGVzDQpDYzogTkFOT0cNClN1YmplY3Q6IFJlOiBUZXJl
ZG8gYW5kICdmaXJld2FsbHMnIChSZTogQ29tY2FzdCBlbmFibGVzIDZ0bzQgcmVsYXlzKQ0KDQpP
biAyMDEwLTA4LTMxIDE5OjMyLCBKYWNrIEJhdGVzIHdyb3RlOg0KPiBKZXJvZW4gTWFzc2FyIHdy
b3RlOg0KPj4NCj4+IElmIHlvdSBoYXZlIG9uZSBwZXJzb24gc2V0dGluZyB1cCBJQ1Mgb24gdGhl
aXIgbWFjaGluZSBhbmQgdGhleSBoYXZlIA0KPj4gZW5hYmxlZCBJUHY2IHZvaWxhIHRoZSB3aG9s
ZSBuZXR3b3JrIGdldHMgSVB2NiwgdGhhdCB0aHVzIGRvZXMgbm90IA0KPj4gc29sdmUgeW91ciBw
cm9ibGVtIGVpdGhlci4gT3IgYXJlIHlvdSBtb25pdG9yaW5nIElQdjYgUkFzIGV0Yz8NCj4gDQo+
IFNldHRpbmcgdXAgSUNTIHdpdGggSVB2NiBpcyB1c2VyIGtub3dsZWRnZSBpbiBteSBvcGluaW9u
LiBJbiBhZGRpdGlvbiwgDQo+IHRoZSBJQ1Mgd2lsbCBoYW5kbGUgdGhlIGZpcmV3YWxsIHJ1bGVz
IHVubGVzcyB0aGUgdXNlciBjaG9vc2VzIHRvIHR1cm4gDQo+IGl0IG9mZi4NCj4gDQo+Pg0KPj4g
SSB0aGluayB5b3UgaGF2ZSB0byBtb3ZlIHRvIGJldHRlciBhbmFseXppbmcgJiBtb25pdG9yaW5n
IHlvdXIgDQo+PiBuZXR3b3JrIGFuZCBtb3JlIGNvbnRyb2wgb3ZlciB0aGUgaG9zdHMgd2hpY2gg
cGFydGljaXBhdGUgaW4gdGhhdCBuZXR3b3JrLg0KPj4NCj4gDQo+IE15IGNvbmNlcm4gaXMgYXMg
YW4gSVNQIHRoYXQgaGFzIGN1c3RvbWVycyB3aG8gYXJlIHVuYXdhcmUgdGhhdCB0aGVpciANCj4g
bGl0dGxlIHJvdXRlcnMgYXJlbid0IGZpbHRlcmluZyBhbGwgb2YgdGhlaXIgcGFja2V0cy4gVGhl
cmUgYXJlIGEgDQo+IG1pbGxpb24gd2F5cyB0aGV5IG1pZ2h0IGdldCBpbmZlY3RlZCBvciBoYXZl
IHNlY3VyaXR5IHByb2JsZW1zLiANCj4gSG93ZXZlciwgdGVyZWRvIGlzIG9idmlvdXNseSBhIGNp
cmN1bXZlbnRpb24gb2YgcHJvdGVjdGlvbiB0aGV5IA0KPiAqdGhpbmsqIHRoZXkgaGF2ZS4NCg0K
VGhlcmUgaXMgbm8gY2lyY3VtdmVudGlvbiBoZXJlLiBUZXJlZG8gaXMgdGhlIHNhbWUgYXMgaGF2
aW5nIGEgUDJQIGFwcCAodGFrZSBTa3lwZSBhcyBhIHJhbmRvbSBleGFtcGxlKSB0aGF0IGNvbm5l
Y3RzIHRvIGFuIG91dHNpZGUgaG9zdCBhbmQgdXNlcyB0aGF0IHRvIHJlbGF5IG1lc3NhZ2VzIHRv
IHNvbWV0aGluZyBlbHNlLiBBbGxvd2luZyBvdXRzaWRlIGhvc3RzIHRvIHVzZSB0aGF0IG5ldHdv
cmsgdG8gY29ubmVjdCB0byB5b3VyIGluYm91bmQgaG9zdC4NCg0KVGVyZWRvIGRvZXMgbm90IGVu
YWJsZSBtb3JlIGluYm91bmQgY29ubmVjdGlvbnMgdGhhbiBiZWZvcmUsIHVubGVzcyBhIGFuIEFw
cCBzdXBwb3J0cyBJUHY2LCBidXQgdGhlbiB0aGF0IGFwcCB3YXMgaW5zdGFsbGVkIGJ5IHRoZSB1
c2VyIHRodXMgdGhleSB3YW50IGl0IHRvIHJ1bi4NCg0KQWxzbyBub3RlIHRoYXQgWFAvMmszL1Zp
c3RhL1NldmVuLzJrOCBhbGwgaGF2ZSBmaXJld2FsbHMgcGVyIGRlZmF1bHQgdGhhdCBzdXBwb3J0
IElQdjYgYW5kIHRoYXQgaGFuZGxlIElQdjQgYW5kIElQdjYgZXhhY3RseSB0aGUgc2FtZTogYXNr
IHRoZSB1c2VyIHdpdGggYW4gYW5ub3lpbmcgcG9wdXAuIFZpc3RhL1NldmVuLzJrOCBldmVuIChj
YW4pIGRvIHRoYXQgZm9yIG91dGJvdW5kIGNvbm5lY3Rpb25zLg0KDQoNClRoZSBvbmx5IHRoaW5n
IHlvdSBjYW4gZG8gdG8gaGVscCB5b3VyIHVzZXJzIGlzIHRvIHByb3ZpZGUgdGhlbSB3aXRoIHBy
b3BlciBlZHVjYXRpb24gYW5kIHRvIGV4cGxhaW4gdGhlbSB0byBrZWVwIHVwIHRvIGRhdGUgYW5k
IHJ1biB0aGUgcmlnaHQgdG9vbHMgYW5kIG5vdCBjbGljayBhbnl3aGVyZSB0aGV5IGNhbi4uLi4g
YW5kIHRoYXQgaXMgYSBtaXNzaW9uIHdoaWNoIGlzIG5lYXIgaW1wb3NzaWJsZS4NCg0KVGVyZWRv
IHRob3VnaCBpcyBmYXIgZnJvbSB5b3VyIHdvcnN0IHdvcnJ5LiBKdXN0IGNoZWNrIGhvdyBtYW55
ICJUZXJlZG8iLCBvciBoZWNrLCBJUHY2IHJlbGF0ZWQgaW5mZWN0aW9ucyB5b3UgaGF2ZSBhbmQg
aG93IG1hbnkgeW91IGhhdmUgd2hvIGhhdmUgYXV0b2RpYWxlcnMgYW5kIHRoZSBnYXppbGxpb24g
b2Ygb3RoZXIgYm90bmV0cyBvbiB0aGVpciBob3N0cy4NCg0KWW91IGNhbiBzbGVlcCB2ZXJ5IHRp
Z2h0IG92ZXIgeW91ciBwZXJjZWl2ZWQgIlRlcmVkbyIgcHJvYmxlbSA7KQ0KDQpHcmVldHMsDQog
SmVyb2VuDQoNCg0K
