| ## Syntax highlighting for the packet-filtering rules of Netfilter. | |
| ## Original author: Arturo Borrero González <[email protected]> | |
| ## License: GPL version 3 or newer | |
| syntax nftables "\.(nft|nftables)$" | |
| header "^#!.*(nft|nftables)" | |
| comment "#" | |
| # Objects and operations | |
| color green "\<(chain|hook|policy|priority|ruleset|set|table|type|v?map)\>" | |
| color green "\<(define|include)\>" | |
| color red "\<(add|delete|flush|insert|remove|replace)\>" | |
| # Families | |
| color yellow "\<(arp|bridge|inet|ingress|ip6?|netdev)\>" | |
| # Terminal statements | |
| color red "\<(drop|reject)\>" | |
| color brightblue "\<(accept|continue|(d|s)nat|goto|jump|masquerade|return)\>" | |
| # Comments | |
| color cyan "(^|[[:blank:]])#.*" | |
| # Trailing whitespace | |
| color ,green "[[:space:]]+$" | |
| # Strings | |
| color yellow ""([^"\]|\\.)*"|'([^'\]|\\.)*'" | |
| # Syntactic symbols | |
| color green "[][{}():;|`$<>!=&\]" | |
| # Basic variable names | |
| color brightred "(\$|@)[[:alpha:]_-][[:alnum:]_.-]*" | |