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suricata/rules
History
Philippe Antoine 82b7c9c35a http2: bound number of http2 frames per tx 
Ticket: 8289

If stream.reassembly.depth is unlimited,
an attacker controlling the 2 sides of a communication going through Suricata
can send a transition with an infinite number of headers, until suricata OOMs

Solution is to offer a configuration option to bound the number
of HTTP2 frames we store in a HTTP2 transaction, and produce an
anomaly if this bound is crossed

(cherry picked from commit 784e173278)
 		1 month ago
..
Makefile.am rfb: never return error on unknown traffic 3 years ago
README.md rules/readme: document sid ranges in source tree 3 years ago
app-layer-events.rules
…
decoder-events.rules af-packet: add event for packets truncated by af-packet 1 year ago
dhcp-events.rules dhcp: add dhcp app-layer rules file 8 years ago
dnp3-events.rules dnp3: bound the maximum number of objects per tx 3 months ago
dns-events.rules dns: provide events for recoverable parse errors 1 year ago
files.rules rules: spelling 3 years ago
ftp-events.rules ftp: add events for command too long 3 years ago
http-events.rules http: have a headers limit 2 years ago
http2-events.rules http2: bound number of http2 frames per tx 1 month ago
ipsec-events.rules rules/ike: fix ike event names that have changed 1 year ago
kerberos-events.rules
…
modbus-events.rules rules/modbus: remove rule for event that not longer exists 1 year ago
mqtt-events.rules mqtt: raise event on parse error 4 years ago
nfs-events.rules nfs: limits the number of active transactions per flow 4 years ago
ntp-events.rules
…
quic-events.rules quic: handle fragmented hello over multiple packets 1 year ago
rfb-events.rules rfb: never return error on unknown traffic 3 years ago
smb-events.rules smb: checks against nbss records length 3 years ago
smtp-events.rules protocol-change: sets event in case of failure 4 years ago
ssh-events.rules rules: add SSH decoder events rules 6 years ago
stream-events.rules stream: add TCP urgent handling options 1 year ago
tls-events.rules rules/tls: sync with changes to the TLS events 6 years ago

README.md

Suricata Reserved SID Allocations

Unless otherwise noted, each component or protocol is allocated 1000 signature IDs.

Components

Component Start End
Decoder 2200000 2200999
Stream 2210000 2210999
Generic App-Layer 2260000 2260999

App-Layer Protocols

Protocol Start End
SMTP 2220000 2220999
HTTP 2221000 2221999
NTP 2222000 2222999
NFS 2223000 2223999
IPsec 2224000 2224999
SMB 2225000 2225999
Kerberos 2226000 2226999
DHCP 2227000 2227999
SSH 2228000 2228999
MQTT 2229000 2229999
TLS 2230000 2230999
QUIC 2231000 2231999
FTP 2232000 2232999
DNS 2240000 2240999
MODBUS 2250000 2250999
DNP3 2270000 2270999
HTTP2 2290000 2290999