BGP » Historique » Version 53
Version 52 (Laurent GUERBY, 10/03/2013 19:28) → Version 53/192 (Laurent GUERBY, 19/03/2013 01:04)
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h1. BGP
Nous utilisons BIRD sous Linux comme routeur BGP
http://bird.network.cz/
blog bgp http://www.renesys.com/blog/
flowspec http://www.slideshare.net/sfouant/an-introduction-to-bgp-flow-spec
DFZ = Default Free Zone archive http://archive.routeviews.org/
http://www.ripe.net/data-tools/stats/ris/routing-information-service
http://pch.net/resources/data/routing-tables/archive/
http://pch.net/resources/data/routing-tables/mrt-bgp-updates/
http://www.nanog.org/meetings/archive/
http://tools.ietf.org/html/draft-lapukhov-bgp-routing-large-dc-02
http://inside.godaddy.com/inside-story-happened-godaddy-com-sept-10-2012/
http://www.ipbcop.org/
IP Best Current Operational Practices Documented best practices for Engineers by Engineers
BGP best practices ANSSI
https://www.sstic.org/media/SSTIC2012/SSTIC-actes/influence_des_bonnes_pratiques_sur_les_incidents_b/SSTIC2012-Article-influence_des_bonnes_pratiques_sur_les_incidents_bgp-contat_valadon_nataf_2.pdf
https://www.ams-ix.net/technical/specifications-descriptions/ams-ix-route-servers
these LAAS BGP http://www.laas.fr/1-31360-Detail-Soutenance-de-these.php?id=600
http://www.laas.fr/1-31706-Publications.php?author=7738
http://www.net.t-labs.tu-berlin.de/papers/OMUPMO-OOSICP-11.pdf
http://hal.archives-ouvertes.fr/docs/00/60/53/83/PDF/dVirt-virtual_platform.pdf
http://hal.archives-ouvertes.fr/docs/00/48/70/74/PDF/Poster_SIGCOMM2010_philippe.pdf
Le monde sur BGP http://reseaux.blog.lemonde.fr/2012/11/04/routage-enjeu-cyberstrategie/
coupure free wanadoo http://www.journaldunet.com/solutions/0301/030122_freeft.shtml
tsunami Japon 2011 et BGP : http://archive.psg.com/111206.conext-quake.pdf
Session is up on telnet:route-views.routeviews.org username rviews
BGP book http://www.bortzmeyer.org/files/bgp.html
Cyclops is able to detect several forms of route hijack attacks http://cyclops.cs.ucla.edu/
BGPmon monitors the routing of your prefixes and alerts you in case of an 'interesting' path chang http://www.bgpmon.net/
http://jointtransit.nl/prices.html
* taille table de routage http://bgp.potaroo.net/
h1. TouIX et GIX
http://touix.net
http://wikilulu.net/doku.php?id=articles:gix-howto
h1. Evolutions de la conf BGP
* http://lists.tetaneutral.net/pipermail/technique/2011-December/000118.html
TODO:
* mise en place d'un gestionaire de version style git au moins pour documentation
* Comment gerer les password MD5 du fichier de conf (les garder secrets tout en publiant le reste)
* Atelier ?
** Laurent GUERBY
** Solarus
** Ajouter son nom...
Alternative a MP BGP
http://tools.ietf.org/html/draft-ietf-idr-bgp-multisession-06
Add Path
http://tools.ietf.org/html/draft-ietf-idr-add-paths-07
support in bird ? http://marc.info/?l=bird-users&m=134409996129466&w=2
h1. Liens
* http://www.cl.cam.ac.uk/~tgg22/talks/BGP_TUTORIAL_ICNP_2002.ppt
* http://www.menog.net/menog-meetings/menog5/presentations/smith-32bit-asn-update.pdf
* AS4 http://www.rfc-editor.org/rfc/rfc4893.txt
* bonnes pratiques incidents BGP
** https://www.sstic.org/media/SSTIC2012/SSTIC-actes/influence_des_bonnes_pratiques_sur_les_incidents_b/SSTIC2012-Slides-influence_des_bonnes_pratiques_sur_les_incidents_bgp-contat_valadon_nataf.pdf
* test ping plus UDP http://www.broadband-forum.org/technical/download/TR-143.pdf
h1. Configuration Toulouse
<pre>
router id 91.224.148.2;
define myas = 197422;
protocol device {
scan time 10;
primary "eth0" 91.224.148.3;
}
protocol static static_bgp {
import all;
route 91.224.148.0/23 reject;
}
protocol kernel{
import all;
export all;
}
function avoid_martians()
prefix set martians;
{
martians = [ 169.254.0.0/16+, 172.16.0.0/12+, 192.168.0.0/16+, 10.0.0.0/8+, 224.0.0.0/4+, 240.0.0.0/4+ ];
# Avoid 0.0.0.0/X
if net.ip = 0.0.0.0 then return false;
# Avoid too short and too long prefixes
if (net.len < 8) || (net.len > 24) then return false;
# Avoid RFC1918 networks
if net ~ martians then return false;
return true;
}
filter bgp_OUT {
if (net ~ [91.224.148.0/23]) then accept;
else reject;
}
protocol bgp TOUIX {
local as myas;
neighbor 91.213.236.1 as 47184;
preference 200;
import where avoid_martians();
export filter bgp_OUT;
}
protocol bgp JAGUAR {
local as myas;
neighbor 31.172.233.1 as 30781;
preference 50;
import where avoid_martians();
export filter bgp_OUT;
}
protocol bgp TETANEUTRAL {
local as myas;
neighbor 91.224.148.2 as myas;
preference 100;
import where avoid_martians();
export all;
}
</pre>
h1. IRR
* From nanog:
http://www.clarksys.com/blog/2009/09/02/using-irr-with-level3/
whois -h filtergen.level3.net "RIPE::YOUR-AS-SET -searchpath=RIPE;ARIN;RADB -recurseok -warnonly"
h1. Blackholing
h2. Attaques
* 20120629 http://lists.tetaneutral.net/pipermail/technique/2012-July/000406.html
* http://blog.cloudflare.com/65gbps-ddos-no-problem
h2. URPF
blacklister une/plusieures sources est relativement complexe à mettre en place sur une petite infrastructure car nécessite la mise en place de l'URPF (Unicast Reverse Path Forwarding).
http://www.cisco.com/web/about/security/intelligence/ipv6_rtbh.html
h2. RFC3882
* http://www.ietf.org/rfc/rfc3882.txt
community AS:666 sur annonce /32 pour balckhole par AS upstream
* doc CISCO
http://www.cisco.com/web/about/security/intelligence/blackhole.pdf
h2. RFC1997
* http://www.ietf.org/rfc/rfc1997.txt
BGP Communities Attribute
* doc CISCO
http://www.cisco.com/web/about/ac123/ac147/archived_issues/ipj_6-2/bgp_communities.html
h2. BIRD
* http://www.mail-archive.com/bird-users@atrey.karlin.mff.cuni.cz/msg01998.html
h2. Absolight
* communauté 29608:65001 sur /24..32 IPv4 et /41..128 IPv6 => blackhole
* test 20120703 IPv4 et IPv6, ça marche et convergence très rapide
h2. GIXE
* communauté 31576:666 sur /32 => blackhole
* test 20120703 => marche pas encore, signalé et dev a faire coté GIXE pour autoriser les /32
h2. Jaguar
* https://extranet.jaguar-network.com/app/public/index.php?cmd=bgp-policy
* demande 20120702 : pas de communauté blackhole actuellement, en reflexion
* déploiement de matériel arbor networks, reglage a affiner (pas de detection d'attaque)
h2. Gitoyen
* demande 20120704 sur la liste, réponse 20120717
* Tata http://noc.easycolocate.nl/Teleglobe_bgp_comm.pdf
*** => black-hole route (host route or shorter prefix within customerâs RIR registred assignment) 64999:0
* Ielo whois AS29075 => 29075:0 Null-route/Blackhole
* https://pad.ilico.org/p/cleanup-bgp-gitoyen
h2. France-IX
* community plan : https://apps.db.ripe.net/whois/lookup/ripe/aut-num/AS51706.html
* TODO tester
h2. Equinix-IX
* community plan : https://ix.equinix.com/ixp/mlpeCommunityInfo
* TODO tester
h2. TouIX
* demande acces switch et route server 20120702
* TODO
h2. Hurricane Electric
* http://www.he.net/adm/
* http://www.he.net/adm/blackhole.html
* TODO tester
h2. Sfinx
* http://www.renater.fr/route-servers-bgp?lang=fr
* whois AS1304 =>
remarks: 1304:65281 = Apply NO-EXPORT community
remarks: 1304:65282 = Apply NO-ADVERTISE community
h1. BGP
Nous utilisons BIRD sous Linux comme routeur BGP
http://bird.network.cz/
blog bgp http://www.renesys.com/blog/
flowspec http://www.slideshare.net/sfouant/an-introduction-to-bgp-flow-spec
DFZ = Default Free Zone archive http://archive.routeviews.org/
http://www.ripe.net/data-tools/stats/ris/routing-information-service
http://pch.net/resources/data/routing-tables/archive/
http://pch.net/resources/data/routing-tables/mrt-bgp-updates/
http://www.nanog.org/meetings/archive/
http://tools.ietf.org/html/draft-lapukhov-bgp-routing-large-dc-02
http://inside.godaddy.com/inside-story-happened-godaddy-com-sept-10-2012/
http://www.ipbcop.org/
IP Best Current Operational Practices Documented best practices for Engineers by Engineers
BGP best practices ANSSI
https://www.sstic.org/media/SSTIC2012/SSTIC-actes/influence_des_bonnes_pratiques_sur_les_incidents_b/SSTIC2012-Article-influence_des_bonnes_pratiques_sur_les_incidents_bgp-contat_valadon_nataf_2.pdf
https://www.ams-ix.net/technical/specifications-descriptions/ams-ix-route-servers
these LAAS BGP http://www.laas.fr/1-31360-Detail-Soutenance-de-these.php?id=600
http://www.laas.fr/1-31706-Publications.php?author=7738
http://www.net.t-labs.tu-berlin.de/papers/OMUPMO-OOSICP-11.pdf
http://hal.archives-ouvertes.fr/docs/00/60/53/83/PDF/dVirt-virtual_platform.pdf
http://hal.archives-ouvertes.fr/docs/00/48/70/74/PDF/Poster_SIGCOMM2010_philippe.pdf
Le monde sur BGP http://reseaux.blog.lemonde.fr/2012/11/04/routage-enjeu-cyberstrategie/
coupure free wanadoo http://www.journaldunet.com/solutions/0301/030122_freeft.shtml
tsunami Japon 2011 et BGP : http://archive.psg.com/111206.conext-quake.pdf
Session is up on telnet:route-views.routeviews.org username rviews
BGP book http://www.bortzmeyer.org/files/bgp.html
Cyclops is able to detect several forms of route hijack attacks http://cyclops.cs.ucla.edu/
BGPmon monitors the routing of your prefixes and alerts you in case of an 'interesting' path chang http://www.bgpmon.net/
http://jointtransit.nl/prices.html
* taille table de routage http://bgp.potaroo.net/
h1. TouIX et GIX
http://touix.net
http://wikilulu.net/doku.php?id=articles:gix-howto
h1. Evolutions de la conf BGP
* http://lists.tetaneutral.net/pipermail/technique/2011-December/000118.html
TODO:
* mise en place d'un gestionaire de version style git au moins pour documentation
* Comment gerer les password MD5 du fichier de conf (les garder secrets tout en publiant le reste)
* Atelier ?
** Laurent GUERBY
** Solarus
** Ajouter son nom...
Alternative a MP BGP
http://tools.ietf.org/html/draft-ietf-idr-bgp-multisession-06
Add Path
http://tools.ietf.org/html/draft-ietf-idr-add-paths-07
support in bird ? http://marc.info/?l=bird-users&m=134409996129466&w=2
h1. Liens
* http://www.cl.cam.ac.uk/~tgg22/talks/BGP_TUTORIAL_ICNP_2002.ppt
* http://www.menog.net/menog-meetings/menog5/presentations/smith-32bit-asn-update.pdf
* AS4 http://www.rfc-editor.org/rfc/rfc4893.txt
* bonnes pratiques incidents BGP
** https://www.sstic.org/media/SSTIC2012/SSTIC-actes/influence_des_bonnes_pratiques_sur_les_incidents_b/SSTIC2012-Slides-influence_des_bonnes_pratiques_sur_les_incidents_bgp-contat_valadon_nataf.pdf
* test ping plus UDP http://www.broadband-forum.org/technical/download/TR-143.pdf
h1. Configuration Toulouse
<pre>
router id 91.224.148.2;
define myas = 197422;
protocol device {
scan time 10;
primary "eth0" 91.224.148.3;
}
protocol static static_bgp {
import all;
route 91.224.148.0/23 reject;
}
protocol kernel{
import all;
export all;
}
function avoid_martians()
prefix set martians;
{
martians = [ 169.254.0.0/16+, 172.16.0.0/12+, 192.168.0.0/16+, 10.0.0.0/8+, 224.0.0.0/4+, 240.0.0.0/4+ ];
# Avoid 0.0.0.0/X
if net.ip = 0.0.0.0 then return false;
# Avoid too short and too long prefixes
if (net.len < 8) || (net.len > 24) then return false;
# Avoid RFC1918 networks
if net ~ martians then return false;
return true;
}
filter bgp_OUT {
if (net ~ [91.224.148.0/23]) then accept;
else reject;
}
protocol bgp TOUIX {
local as myas;
neighbor 91.213.236.1 as 47184;
preference 200;
import where avoid_martians();
export filter bgp_OUT;
}
protocol bgp JAGUAR {
local as myas;
neighbor 31.172.233.1 as 30781;
preference 50;
import where avoid_martians();
export filter bgp_OUT;
}
protocol bgp TETANEUTRAL {
local as myas;
neighbor 91.224.148.2 as myas;
preference 100;
import where avoid_martians();
export all;
}
</pre>
h1. IRR
* From nanog:
http://www.clarksys.com/blog/2009/09/02/using-irr-with-level3/
whois -h filtergen.level3.net "RIPE::YOUR-AS-SET -searchpath=RIPE;ARIN;RADB -recurseok -warnonly"
h1. Blackholing
h2. Attaques
* 20120629 http://lists.tetaneutral.net/pipermail/technique/2012-July/000406.html
* http://blog.cloudflare.com/65gbps-ddos-no-problem
h2. URPF
blacklister une/plusieures sources est relativement complexe à mettre en place sur une petite infrastructure car nécessite la mise en place de l'URPF (Unicast Reverse Path Forwarding).
http://www.cisco.com/web/about/security/intelligence/ipv6_rtbh.html
h2. RFC3882
* http://www.ietf.org/rfc/rfc3882.txt
community AS:666 sur annonce /32 pour balckhole par AS upstream
* doc CISCO
http://www.cisco.com/web/about/security/intelligence/blackhole.pdf
h2. RFC1997
* http://www.ietf.org/rfc/rfc1997.txt
BGP Communities Attribute
* doc CISCO
http://www.cisco.com/web/about/ac123/ac147/archived_issues/ipj_6-2/bgp_communities.html
h2. BIRD
* http://www.mail-archive.com/bird-users@atrey.karlin.mff.cuni.cz/msg01998.html
h2. Absolight
* communauté 29608:65001 sur /24..32 IPv4 et /41..128 IPv6 => blackhole
* test 20120703 IPv4 et IPv6, ça marche et convergence très rapide
h2. GIXE
* communauté 31576:666 sur /32 => blackhole
* test 20120703 => marche pas encore, signalé et dev a faire coté GIXE pour autoriser les /32
h2. Jaguar
* https://extranet.jaguar-network.com/app/public/index.php?cmd=bgp-policy
* demande 20120702 : pas de communauté blackhole actuellement, en reflexion
* déploiement de matériel arbor networks, reglage a affiner (pas de detection d'attaque)
h2. Gitoyen
* demande 20120704 sur la liste, réponse 20120717
* Tata http://noc.easycolocate.nl/Teleglobe_bgp_comm.pdf
*** => black-hole route (host route or shorter prefix within customerâs RIR registred assignment) 64999:0
* Ielo whois AS29075 => 29075:0 Null-route/Blackhole
* https://pad.ilico.org/p/cleanup-bgp-gitoyen
h2. France-IX
* community plan : https://apps.db.ripe.net/whois/lookup/ripe/aut-num/AS51706.html
* TODO tester
h2. Equinix-IX
* community plan : https://ix.equinix.com/ixp/mlpeCommunityInfo
* TODO tester
h2. TouIX
* demande acces switch et route server 20120702
* TODO
h2. Hurricane Electric
* http://www.he.net/adm/
* http://www.he.net/adm/blackhole.html
* TODO tester
h2. Sfinx
* http://www.renater.fr/route-servers-bgp?lang=fr
* whois AS1304 =>
remarks: 1304:65281 = Apply NO-EXPORT community
remarks: 1304:65282 = Apply NO-ADVERTISE community