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Basic noob question

If I see a lot of black lines followed by a red line from 127.0.0.1 am I in trouble? I have a screen shot tracing loop back and I see a lot of TCP Retransmission followed up with another [RST, ACK]

  • 71 is red
  • 72-75 is yellow
  • 76 is black
  • 77 is red

Packets:

71  3.370087    127.0.0.1       127.0.0.1       TCP     44  47001 → 49678 [RST, ACK] Seq=1 Ack=1 Win=0 Len=0
72  3.400629    192.168.1.120   192.168.1.255   NBNS    100 Registration NB WORKGROUP<00>
73  3.400741    192.168.1.120   192.168.1.255   NBNS    100 Registration NB mycomputer<00>
74  3.400773    192.168.1.120   192.168.1.255   NBNS    100 Registration NB mycomputer<20>
75  3.542596    127.0.0.1       239.255.255.250 SSDP    169 M-SEARCH * HTTP/1.1
76  3.880662    127.0.0.1       127.0.0.1       TCP     56  [TCP Retransmission] 49678 → 47001 [SYN] Seq=0 Win=65535 Len=0 MSS=65495 WS=256 SACK_PERM
77  3.880680    127.0.0.1       127.0.0.1       TCP     44  47001 → 49678 [RST, ACK] Seq=1 Ack=1 Win=0 Len=0

I am seeing what looks like another router? here? http://192.168.1.254/cgi-bin/home.ha

Basic noob question

If I see a lot of black lines followed by a red line from 127.0.0.1 am I in trouble? I have a screen shot tracing loop back and I see a lot of TCP Retransmission followed up with another [RST, ACK]ACK] 71 is red 72-75 is yellow 76 is black 77 is red

  • 71 is red

  • 72-75 is yellow
  • 76 is black
  • 77 is red

Packets:

71   3.370087    127.0.0.1       127.0.0.1       TCP     127.0.0.1   TCP 44  47001 47001
→ 49678 [RST, ACK] Seq=1 Ack=1 Win=0 Len=0

Len=0   

72 3.400629 192.168.1.120 192.168.1.255 NBNS 100 Registration Registration NB WORKGROUP<00> WORKGROUP<00>

73 3.400741 192.168.1.120 192.168.1.255 NBNS 100 Registration Registration NB mycomputer<00> mycomputer<00>

74 3.400773 192.168.1.120 192.168.1.255 NBNS 100 Registration Registration NB mycomputer<20> mycomputer<20>
75 3.542596 127.0.0.1 239.255.255.250 SSDP 169 M-SEARCH * HTTP/1.1 HTTP/1.1

76 3.880662 127.0.0.1 127.0.0.1 TCP 127.0.0.1 TCP 56 [TCP Retransmission] 49678 → 47001 [SYN] Seq=0 Win=65535 Len=0 MSS=65495 WS=256 SACK_PERM SACK_PERM

77 3.880680 127.0.0.1 127.0.0.1 TCP 127.0.0.1 TCP 44 47001 → 49678 [RST, ACK] Seq=1 Ack=1 Win=0 Len=0

Len=0

I am seeing what looks like another router? here? http://192.168.1.254/cgi-bin/home.ha

Basic noob question

If I see a lot of black lines followed by a red line from 127.0.0.1 am I in trouble? I have a screen shot tracing loop back and I see a lot of TCP Retransmission followed up with another [RST, ACK] 71 is red 72-75 is yellow 76 is black 77 is red

  • 71 3.370087 127.0.0.1 127.0.0.1 TCP 44 47001 → 49678 [RST, ACK] Seq=1 Ack=1 Win=0 Len=0

    72 3.400629 192.168.1.120 192.168.1.255 NBNS 100 Registration NB WORKGROUP<00>

    73 3.400741 192.168.1.120 192.168.1.255 NBNS 100 Registration NB mycomputer<00>

    74 3.400773 192.168.1.120 192.168.1.255 NBNS 100 Registration NB mycomputer<20>
    75 3.542596 127.0.0.1 239.255.255.250 SSDP 169 M-SEARCH * HTTP/1.1

    76 3.880662 127.0.0.1 127.0.0.1 TCP 56 [TCP Retransmission] 49678 → 47001 [SYN] Seq=0 Win=65535 Len=0 MSS=65495 WS=256 SACK_PERM

    77 3.880680 127.0.0.1 127.0.0.1 TCP 44 47001 → 49678 [RST, ACK] Seq=1 Ack=1 Win=0 Len=0

I am seeing what looks like another router? here? http://192.168.1.254/cgi-bin/home.ha

Basic noob question

If I see a lot of black lines followed by a red line from 127.0.0.1 am I in trouble? I have a screen shot tracing loop back and I see a lot of TCP Retransmission followed up with another [RST, ACK] 71 is red 72-75 is yellow 76 is black 77 is redACK]

  • 71 3.370087 127.0.0.1 127.0.0.1 TCP 44 47001 → 49678 [RST, ACK] Seq=1 Ack=1 Win=0 Len=0

    72 3.400629 192.168.1.120 192.168.1.255 NBNS 100 Registration NB WORKGROUP<00>

    73 3.400741 192.168.1.120 192.168.1.255 NBNS 100 Registration NB mycomputer<00>

    74 3.400773 192.168.1.120 192.168.1.255 NBNS 100 Registration NB mycomputer<20>
    75 3.542596 127.0.0.1 239.255.255.250 SSDP 169 M-SEARCH * HTTP/1.1

    76 3.880662 127.0.0.1 127.0.0.1 TCP 56 [TCP Retransmission] 49678 → 47001 [SYN] Seq=0 Win=65535 Len=0 MSS=65495 WS=256 SACK_PERM

    77 3.880680 127.0.0.1 127.0.0.1 TCP 44 47001 → 49678 [RST, ACK] Seq=1 Ack=1 Win=0 Len=0