I thank the suggestions, but none of them I got success, in addition I
am testing mine firewall with the politics standard “ACCEPT”! Not yet I
obtained to lower the MTU of the connection ppp0, find that it will be
the solution or then to use of some form target -j TCPMSS
--clamp-mss-to-pmtu! I tried to use the command tcpdump to verify where
it is the problem but also I did not get success.
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