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A great portion of the code is taken from xt_TPROXY.c There are some changes compared to the iptables implementation: - tproxy statement is not terminal here - Either address or port has to be specified, but at least one of them is necessary. If one of them is not specified, the evaluation will be performed with the original attribute of the packet (ie. target port is not specified => the packet's dport will be used). To make this work in inet tables, the tproxy structure has a family member (typically called priv->family) which is not necessarily equal to ctx->family. priv->family can have three values legally: - NFPROTO_IPV4 if the table family is ip OR if table family is inet, but an ipv4 address is specified as a target address. The rule only evaluates ipv4 packets in this case. - NFPROTO_IPV6 if the table family is ip6 OR if table family is inet, but an ipv6 address is specified as a target address. The rule only evaluates ipv6 packets in this case. - NFPROTO_UNSPEC if the table family is inet AND if only the port is specified. The rule will evaluate both ipv4 and ipv6 packets. Signed-off-by: Máté Eckl <ecklm94@gmail.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> |
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| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| firmware | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
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| Makefile | ||
| README | ||
Linux kernel
There are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. Please read Documentation/admin-guide/README.rst first.
In order to build the documentation, use make htmldocs or
make pdfdocs. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file.
Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.