Pablo Neira Ayuso. Netfilter's Connection Tracking System. ;login:, 31(3), 2006. [doi]
@article{Ayuso06, title = {Netfilter's Connection Tracking System}, author = {Pablo Neira Ayuso}, year = {2006}, url = {https://www.usenix.org/publications/login/june-2006-volume-31-number-3/netfilters-connection-tracking-system}, researchr = {https://researchr.org/publication/Ayuso06}, cites = {0}, citedby = {0}, journal = {;login:}, volume = {31}, number = {3}, }