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Hi everybody, it's a technical question . i have a matrix with 30 columns and 40000 rows, i start my program and i found this error: "error in solve.default(sBB + Z[,,i] %*% Gamma %*% t(Z[,,i])): system is computationally singular: reciprocal condition number = 7.6377e-018 " is it R limit? thanks a lot. Jonathan Charrier

Unless the bridge keeps stateful inspection data and can reply back to the session''s origin, not it route then its fine. The only way I can see this working is either putting the FTP/.. DMZ behind the firewall giving true firewall protection for all services involved, or if you just want to kludge the current solution, you can perform a DNAT/SNAT interface bounce like the following: #