Packet Capture Analysis

File Name: capture_20231025_0830.pcap Date: October 25, 2023 Time: 08:30:00 UTC

This page provides a preliminary analysis of network traffic captured on October 25, 2023, at 08:30 UTC. The data presented here is a summary of observed network events. For detailed packet-level inspection, dedicated network analysis tools are recommended.

Traffic Overview

Total Packets: 12,458
Duration: 5 minutes, 12 seconds
Protocols Detected: TCP, UDP, ICMP, DNS, HTTP
Average Packet Size: 782 bytes
Bandwidth Utilization: Moderate

Top Protocols

TCP: 65% (4231 packets)
UDP: 28% (1823 packets)
ICMP: 5% (325 packets)
DNS: 1.5% (98 packets)
HTTP: 0.5% (61 packets)

Key Event Summaries

High Volume TCP Connections: Several bursts of TCP connections observed, primarily to common web ports.
DNS Queries: A steady stream of DNS queries indicating normal name resolution activity.
ICMP Echo Requests: Occasional ICMP echo requests (pings) detected, suggesting network health checks or monitoring.
HTTP Activity: Limited HTTP GET/POST requests noted, suggesting minimal web browsing or API interaction during this period.

Potential Anomalies (Requires Further Investigation)

Unusual UDP Traffic: A small cluster of UDP packets to an unexpected port (e.g., 6789) on a specific internal IP address warrants review.
High Latency ICMP: A few ICMP replies exhibited higher than usual latency, which could indicate network congestion or a device issue.

Analysis Summary

The captured traffic appears largely consistent with standard network operations for the observed period. The majority of traffic consists of TCP and UDP, with HTTP and DNS present. The identified anomalies, while minor, should be investigated further to ensure network integrity and performance. Detailed inspection of the raw packet data for the unusual UDP and high-latency ICMP events is recommended.

Raw Data Snippet

Below is a sample of the raw packet data, showcasing header information for a few packets. This is for illustrative purposes only.

[Ethernet II]
    Destination: 00:1A:2B:3C:4D:5E (Unique MAC)
    Source:      AA:BB:CC:DD:EE:FF (Another MAC)
    EtherType:   0x0800 (IPv4)

[Internet Protocol Version 4]
    Version:     4
    Header Length: 20 bytes
    Type of Service: 0x00
    Total Length:  100 bytes
    Identification: 0x1234
    Flags:       0x00 (Don't Fragment)
    Fragment Offset: 0
    Time to Live:  64
    Protocol:    6 (TCP)
    Header Checksum: 0xABCD
    Source Address: 192.168.1.100
    Destination Address: 192.168.1.200

[Transmission Control Protocol]
    Source Port: 54321
    Destination Port: 80 (HTTP)
    Sequence Number: 123456789
    Acknowledgement Number: 987654321
    Data Offset: 8 bytes
    Flags:       0x18 (PSH, ACK)
    Window Size: 65535
    Checksum:    0xEF01
    Urgent Pointer: 0

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