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Ignore common malformed dhcpv6 request

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Jarrod Johnson
2021-11-18 09:16:57 -05:00
parent bf4842baa9
commit ecb9a6633e
1 changed files with 3 additions and 0 deletions
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3
confluent_server/confluent/discovery/protocols/pxe.py
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@@ -415,6 +415,9 @@ def process_dhcp6req(handler, rqv, addr, net, cfg, nodeguess):
req['rqtype'] = bytearray(rqv[:1])[0]
if not disco.get('uuid', None) or not disco.get('arch', None):
return
if disco['uuid'] == '03000200-0400-0500-0006-000700080009':
# Ignore common malformed dhcpv6 request from firmware
return
mac = neighutil.get_hwaddr(ip.split('%', 1)[0])
if not mac:
net.sendto(b'\x00', addr)