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Adjust the config to -current bgpd which makes it a lot more readable.

OK phessler@
OPENBSD_6_4
claudio 6 years ago
parent
commit
9a9b5e2741
1 changed files with 38 additions and 22 deletions
  1. +38
    -22
      src/etc/examples/bgpd.conf

+ 38
- 22
src/etc/examples/bgpd.conf View File

@ -1,4 +1,4 @@
# $OpenBSD: bgpd.conf,v 1.13 2018/09/09 12:49:44 benno Exp $
# $OpenBSD: bgpd.conf,v 1.14 2018/09/10 09:10:36 claudio Exp $
# example bgpd configuration file, see bgpd.conf(5)
# define our own ASN as a macro
@ -14,6 +14,35 @@ prefix-set mynetworks { \
2001:db8:abcd::/48 \
}
# define bogon prefixes which should not be part of the DFZ
prefix-set bogons {
0.0.0.0/8 # 'this' network [RFC1122]
10.0.0.0/8 # private space [RFC1918]
100.64.0.0/10 # CGN Shared [RFC6598]
127.0.0.0/8 # localhost [RFC1122]
169.254.0.0/16 # link local [RFC3927]
172.16.0.0/12 # private space [RFC1918]
192.0.2.0/24 # TEST-NET-1 [RFC5737]
192.88.99.0/24 # 6to4 anycast relay [RFC7526]
192.168.0.0/16 # private space [RFC1918]
198.18.0.0/15 # benchmarking [RFC2544]
198.51.100.0/24 # TEST-NET-2 [RFC5737]
203.0.113.0/24 # TEST-NET-3 [RFC5737]
224.0.0.0/4 # multicast
240.0.0.0/4 # reserved for future use
::/8 # RFC 4291 IPv4-compatible, loopback, et al
0100::/64 # Discard-Only [RFC6666]
2001:2::/48 # BMWG [RFC5180]
2001:10::/28 # ORCHID [RFC4843]
2001:db8::/32 # docu range [RFC3849]
2002::/16 # 6to4 anycast relay [RFC7526]
3ffe::/16 # old 6bone
fc00::/7 # unique local unicast
fe80::/10 # link local unicast
fec0::/10 # old site local unicast
ff00::/8 # multicast
}
# Generate routes for the networks our ASN will originate.
# The communities (read 'tags') are later used to match on what
# is announced to EBGP neighbors
@ -85,29 +114,16 @@ allow from any inet6 prefixlen 16 - 48
# https://tools.ietf.org/html/rfc8326
match from any community GRACEFUL_SHUTDOWN set { localpref 0 }
# See http://bgpfilterguide.nlnog.net/guides/bogon_prefixes/ for
# an elaboration why each prefix is a bogon
prefix-set bogons { \
0.0.0.0/8 or-longer 10.0.0.0/8 or-longer \
100.64.0.0/10 or-longer 127.0.0.0/8 or-longer \
169.254.0.0/16 or-longer 172.16.0.0/12 or-longer \
192.0.2.0/24 or-longer 192.88.99.0/24 or-longer \
192.168.0.0/16 or-longer 198.18.0.0/15 or-longer \
198.51.100.0/24 or-longer 203.0.113.0/24 or-longer \
224.0.0.0/4 or-longer 240.0.0.0/4 or-longer \
::/8 or-longer 0100::/64 or-longer \
2001:2::/48 or-longer 2001:10::/28 or-longer \
2001:db8::/32 or-longer 2002::/16 or-longer \
3ffe::/16 or-longer fc00::/7 or-longer \
fe80::/10 or-longer fec0::/10 or-longer \
ff00::/8 or-longer \
}
# use above prefix-set to reject the bogons
deny quick from any prefix-set bogons
# use prefix-set to reject the bogons
deny quick from any prefix-set bogons or-longer
# filter bogon AS numbers
# see http://bgpfilterguide.nlnog.net/guides/bogon_asns/ for more
# information why these ASNs are bogons.
# AS_TRANS (23456) is not supposed to show up in any path and indicates a
# missconfiguration. Additionally Private or Reserved ASNs have no place in
# the public DFZ. http://www.iana.org/assignments/as-numbers/as-numbers.xhtml
deny quick from any AS 23456
deny quick from any AS 64496 - 131071
deny quick from any AS 4200000000 - 4294967295
# filter out too long paths
deny from any max-as-len 100

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