The bastion host node is typically an influential server with better-quality security actions and custom software. It frequently hosts only a single request because it wants to be very good at whatever it does. The software is commonly modified, limited and not obtainable to the public. This host is envisioned to be the strong fact in the network to care for the system last it. Therefore, it often endures unvarying maintenance and audit. Occasionally bastion hosts are used to draw occurrences so that the basis of the attacks may be outlined. The bastion host practices and filters all inward traffic and averts malicious traffic from incoming the network, acting much like a gateway.
Answer:
You can do it for refrence or to support that website
Explanation:
/* Figure 8.18 */ #include "csapp.h" #define N 2 int main() int status, i; pid_t pid; /* Parent creates N children */ for (i = 0; i < N; i++) if ((pid = Fork ()) == 0) /* child */ exit(100+i); /* Parent reaps N children in no particular order */ while ((pid = waitpid(-1, &status, 0)) > 0) if (WIFEXITED (status) ) printf("child %d terminated normally with exit status=%d\n", pid, WEXITSTATUS (status)); else printf("child %d terminated abnormally\n", pid) ; /* The normal termination is if there are no more children */ if (errno != ECHILD) unix_error("waitpid error"); exit(0);
Hope this helps!
Answer:
I'm not sure for some of them.
1. c.
2. a.
3. b.
4. e.
5. d.