+ } elsif ($c =~ m/^Dropping the client connection on socket/) {
+
+ # Dropping the client connection on socket 71. The server connection has not been established yet.
+ # Dropping the client connection on socket 23 with server socket 24 connected to \
+ # www.reddit.com. The forwarder has changed.
+ $c =~ s@(?<=on socket )(\d+)@$h{'Number'}$1$h{'Standard'}@;
+ $c =~ s@(?<=server socket )(\d+)@$h{'Number'}$1$h{'Standard'}@;
+ $c = highlight_matched_host($c, '(?<=connected to )[^ ]+(?=\.)');
+
+ } elsif ($c =~ m/^The client socket \d+ has become unusable while the server/) {
+
+ # The client socket 16 has become unusable while the server socket 24 is still open.
+ $c =~ s@(?<=client socket )(\d+)@$h{'Number'}$1$h{'Standard'}@;
+ $c =~ s@(?<=server socket )(\d+)@$h{'Number'}$1$h{'Standard'}@;
+
+ } elsif ($c =~ m/^The last \d+ bytes of the request body have been read/) {
+
+ # The last 12078 bytes of the request body have been read
+ $c =~ s@(?<=The last )(\d+)@$h{'Number'}$1$h{'Standard'}@;
+
+ } elsif ($c =~ m/^Flushed \d+ bytes of request body/) {
+
+ # Flushed 3153 bytes of request body
+ $c =~ s@(?<=Flushed )(\d+)@$h{'Number'}$1$h{'Standard'}@;
+
+ } elsif ($c =~ m/^Complete client request followed by/) {
+
+ # Complete client request followed by 59 bytes of pipelined data received.
+ $c =~ s@(?<=followed by )(\d+)@$h{'Number'}$1$h{'Standard'}@;
+
+ } elsif ($c =~ m/^The peer notified us that the connection on socket/) {
+
+ # The peer notified us that the connection on socket 11 is going to be closed
+ $c =~ s@(?<=socket )(\d+)@$h{'Number'}$1$h{'Standard'}@;
+
+ } elsif ($c =~ m/^Client socket \d is no longer usable/) {
+
+ # Client socket 7 is no longer usable. The server socket has been closed.
+ $c =~ s@(?<=socket )(\d+)@$h{'Number'}$1$h{'Standard'}@;
+
+ } elsif ($c =~ m/^Socket timeout \d+ reached/) {
+
+ # Socket timeout 3 reached: http://127.0.0.1:20000/no-filter/chunked-content/36
+ $c =~ s@(?<=timeout )(\d+)@$h{'Number'}$1$h{'Standard'}@;
+ $c = highlight_matched_url($c, "(?<=reached: ).*")
+
+ } elsif ($c =~ m/^Prepared to read up to /) {
+
+ # Prepared to read up to 157 bytes of encrypted request body from the client.
+ $c =~ s@(?<=up to )(\d+)@$h{'Number'}$1$h{'Standard'}@;
+
+ } elsif ($c =~ m/^Forwarding \d+ bytes /) {
+
+ # Forwarding 157 bytes of encrypted request body.
+ $c =~ s@(?<=Forwarding )(\d+)@$h{'Number'}$1$h{'Standard'}@;
+
+ } elsif ($c =~ m/^Buffering encrypted client body/) {
+
+ # Buffering encrypted client body. Prepared to read up to 2236 bytes.
+ $c =~ s@(?<=up to )(\d+)@$h{'Number'}$1$h{'Standard'}@;
+
+ } elsif ($c =~ m/^The last \d+ bytes of the encrypted request body have been read/) {
+
+ # The last 6945 bytes of the encrypted request body have been read.
+ $c =~ s@(?<=The last )(\d+)@$h{'Number'}$1$h{'Standard'}@;
+
+ } elsif ($c =~ m/^Reducing the chunk offset from/) {
+
+ # Reducing the chunk offset from 1096654 to 32704 after discarding 1063950 bytes to make room in the buffer.
+ # Reducing the chunk offset from 16219 to 128 after flushing 16091 bytes.
+ $c =~ s@(?<=\d to )(\d+)@$h{'Number'}$1$h{'Standard'}@;
+ $c =~ s@(?<=offset from )(\d+)@$h{'Number'}$1$h{'Standard'}@;
+ $c =~ s@(?<=after discarding )(\d+)@$h{'Number'}$1$h{'Standard'}@;
+ $c =~ s@(?<=after flushing )(\d+)@$h{'Number'}$1$h{'Standard'}@;
+