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| -rw-r--r-- | glougloud/README.txt | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/glougloud/README.txt b/glougloud/README.txt index 7bdda58..8a8c702 100644 --- a/glougloud/README.txt +++ b/glougloud/README.txt @@ -31,3 +31,21 @@ nc -vvv -u 127.0.0.1 4430 |hexdump -C You get informations of traffic flowing on the monitored interface. + +=== Notes on architecture and security === + +glougloud is architectured in 3 processes: + * main process, runs as root, opens the capture interfaces with +libpcap and resolves DNS names + * server process, runs as _glougloud user and chrooted in _glougloud +home, listens and accepts or refuses clients connections + * user process, runs as _glougloud user and chrooted in _glougloud +home, parses the captured network traffic and sends a summary to the +connected clients + +The 3 processes exchanges messages througt messages, with OpenBSD imsg +framework. + +Note that glougloud activates extra protections on pcap capture only +on OpenBSD by reimplementing some of libpcap functions, see +glougloud.c my_pcap_open_live() |