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Hi useR's, I have an image plot I want to overlay a map of the United States on, via map('usa'). The image is basically a large rectangular of various colors. When I overlay the United States map, the full rectangle of the image plot is visible, but I only want to display the image WITHIN the United States boundary. Does anyone know a way to do this? Thanks in advance, dxc13 --

...1 23:18:56 cpie last message repeated 9 times And more information: cpie:~# netstat -putan|wc -l 28 cpie:~# cpie:~# cat /proc/net/ip_conntrack |wc -l 5810 cpie:~# cpie:~# cat /proc/sys/net/ipv4/ip_conntrack_max 6000 cpie:~# The connection from ip_conntract are like these: tcp 6 351960 ESTABLISHED src=8asdf dst=asdf sport=1445 dport =4662 src=dfasdf0 dst=dfdfd sport=4662 dport=1445 [ASSURED] use=1 tcp 6 345355 ESTABLISHED src=asdfasdf8 dst=asdf sport=2649 dport =4662 src=sdfasd dst=dfdf sport=4662 dport=2649 [ASSURED] use=1 How can I "flush" all connection track?...