olemus
soovimatute kohtvõrgust väljuvate pakettide blokeerimine,
näiteks vigase sihtaadressi ilmnemisel
=
monitoring and potentially restricting the flow of information outbound from one network to another

ülevaateid
https://en.wikipedia.org/wiki/Egress_filtering

https://stateofsecurity.com/egress-filtering/

https://www.calyptix.com/how-to/egress-filtering-101-what-it-is-and-how-to-do-it/

https://insights.sei.cmu.edu/sei_blog/2018/04/best-practices-and-considerations-in-egress-filtering.html

http://www.cs.unc.edu/~jeffay/courses/nidsS05/slides/17-Egress-Filtering.pdf

https://aviatrix.com/learn-center/cloud-security/why-use-egress-filtering/

standardid
https://tools.ietf.org/html/rfc3013#page-8

vt ka
- pakettide filtreerimine
- siseneva liikluse filtreerimine
- väljuva liikluse skaneerimine