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I would expect scapy.all.wrpcap(r"out.pcap", scapy.all.rdpcap(r"in.pcap")) to produce a copy of the input PCAP with packets identical to the packets in the input PCAP. Instead, LDAP packets are rebuilt, app layer data is modified (because of different ASN1_default_long_size) while lower layer data (IP length, checksums, etc.) is not modified accordingly producing invalid packets.
Brief description
I would expect
scapy.all.wrpcap(r"out.pcap", scapy.all.rdpcap(r"in.pcap"))to produce a copy of the input PCAP with packets identical to the packets in the input PCAP. Instead, LDAP packets are rebuilt, app layer data is modified (because of differentASN1_default_long_size) while lower layer data (IP length, checksums, etc.) is not modified accordingly producing invalid packets.pcap.zip
scapy.all.Conf.layers.filter([])fixes this problem.Scapy version
2.6.0
Python version
Python 3.13.0 (tags/v3.13.0:60403a5, Oct 7 2024, 09:38:07) [MSC v.1941 64 bit (AMD64)] on win32
Operating system
Windows 11 Pro 23H2 (10.0.22631.4460)
Additional environment information
No response
How to reproduce
see description
Actual result
No response
Expected result
No response
Related resources
No response
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