sysctl：無法統計 /proc/sys/kernel/exec-shield：沒有這樣的文件或目錄

啟用 ExecShield 保護 - ExecShield 是用於避免蠕蟲和其他問題的安全 Linux 核心更新檔。

添加到後

/etc/sysctl 
kernel.exec-shield = 1

收到此錯誤 sysctl: cannotstat /proc/sys/kernel/exec-shield: No such file or directory

輸出 ：

root@ashishk:/home/ashish/MyScripts# sysctl -p

sysctl: cannot stat /proc/sys/kernel/exec-shield: No such file or directory

kernel.randomize_va_space = 1

net.ipv4.conf.all.rp_filter = 1

net.ipv4.conf.default.rp_filter = 1

net.ipv4.icmp_echo_ignore_broadcasts = 1

net.ipv4.conf.all.accept_source_route = 0

net.ipv4.conf.default.accept_source_route = 0

net.ipv4.conf.all.send_redirects = 0

net.ipv4.conf.default.send_redirects = 0

net.ipv4.tcp_syncookies = 1

net.ipv4.tcp_max_syn_backlog = 2048

net.ipv4.tcp_synack_retries = 2

net.ipv4.tcp_syn_retries = 5

net.ipv4.conf.all.log_martians = 1

net.ipv4.icmp_ignore_bogus_error_responses = 1

net.ipv4.conf.all.accept_redirects = 0

net.ipv4.conf.default.accept_redirects = 0

net.ipv4.icmp_echo_ignore_all = 1

net.ipv6.conf.all.disable_ipv6 = 1

net.ipv6.conf.default.disable_ipv6 = 1

net.ipv6.conf.lo.disable_ipv6 = 1

我能知道什麼是錯的嗎？

c4f4t0r 已經在評論中提供了直接問題的答案，但並不完全準確。

exec-shield 繼續存在；實際刪除的是通過 sysctl 設置禁用它的選項

https://access.redhat.com/solutions/974563（連結需要 RedHat 訂閱。由於版權問題，未提供該連結的確切引用）。

引用自：https://serverfault.com/questions/710492