diff options
Diffstat (limited to 'dpibreak.1')
| -rw-r--r-- | dpibreak.1 | 30 |
1 files changed, 24 insertions, 6 deletions
@@ -76,9 +76,19 @@ order: (fake 1), (orig 1), (fake 2), (orig 2), ... .B \-\-fake\-ttl \fIu8\fR Override ttl (IPv4) / hop_limit (IPv6) of .B fake -packet. Implicitly turn on -.B \-\-fake -option. (default: 8) +packet. Implicitly enables +.B \-\-fake . (default: 8) +.TP +.B \-\-fake\-autottl +Automatically infer the hop count (TTL/Hop Limit) to the destination by +analyzing the SYN/ACK packet. It assumes the server's initial TTL is +either 64, 128, or 255. The inferred value is used for +.B fake +packet transmission to ensure they reach the censor but not the +destination. By default, it uses a delta of 1. If the hop count cannot +be determined, it falls back to the value specified by +.B \-\-fake\-ttl . Implicitly enables +.B \-\-fake . .TP .B \-\-fake\-badsum Corrupts the TCP checksum of @@ -87,9 +97,8 @@ packets. When enabled, .B fake packets cannot pass through most routers and will not behave as expected. It can be useful if your router/firewall provides an option -to disable TCP checksum verification. Implicitly turn on -.B \-\-fake -option. +to disable TCP checksum verification. Implicitly enables +.B \-\-fake . .TP .B \-\-queue\-num \fIu16\fR .Linux only. @@ -132,6 +141,15 @@ Use a custom NFQUEUE on Linux: .RS .B dpibreak \-\-queue\-num 3 .RE +.PP +Run with +.B fake +feature: +.PP +.RS +.B dpibreak \-\-fake\-autottl +.RE +.PP .SH BUGS Although the program works reliably in the author's region and ISP, |