Proxychains-ng initializes but doesn't work

I am trying everything but proxychains won't change anything it seems it starts normally but doesn't executes as expected what to do
`#proxychains4 firefox www.dnsleaktest.com
[proxychains] config file found: /etc/proxychains4.conf
[proxychains] preloading /usr/lib/x86_64-linux-gnu/libproxychains.so.4
Reading profile /etc/firejail/firefox.profile
Reading profile /etc/firejail/firefox-common.profile
Reading profile /etc/firejail/firefox-common-addons.inc
Reading profile /etc/firejail/disable-common.inc
Reading profile /etc/firejail/disable-devel.inc
Reading profile /etc/firejail/disable-interpreters.inc
Reading profile /etc/firejail/disable-programs.inc
Reading profile /etc/firejail/whitelist-common.inc
Reading profile /etc/firejail/whitelist-var-common.inc
Parent pid 15833, child pid 15834
Warning: skipping pango for private /etc
Warning: skipping asound.conf for private /etc
Warning: skipping pki for private /etc
Warning: skipping crypto-policies for private /etc
Warning fcopy: skipping /etc/alternatives/wine.pl.1.gz, cannot find inode
Warning fcopy: skipping /etc/alternatives/faked.sv.1.gz, cannot find inode
Warning fcopy: skipping /etc/alternatives/fakeroot.sv.1.gz, cannot find inode
Private /etc installed in 62.29 ms
Post-exec seccomp protector enabled
Seccomp list in: @clock,@cpu-emulation,@debug,@module,@obsolete,@raw-io,@reboot,@resources,@swap,acct,add_key,bpf,fanotify_init,io_cancel,io_destroy,io_getevents,io_setup,io_submit,ioprio_set,kcmp,keyctl,mount,name_to_handle_at,nfsservctl,ni_syscall,open_by_handle_at,personality,pivot_root,process_vm_readv,ptrace,remap_file_pages,request_key,setdomainname,sethostname,syslog,umount,umount2,userfaultfd,vhangup,vmsplice, check list: @default-keep, prelist: adjtimex,clock_adjtime,clock_settime,settimeofday,modify_ldt,lookup_dcookie,perf_event_open,process_vm_writev,delete_module,finit_module,init_module,_sysctl,afs_syscall,create_module,get_kernel_syms,getpmsg,putpmsg,query_module,security,sysfs,tuxcall,uselib,ustat,vserver,ioperm,iopl,kexec_load,kexec_file_load,reboot,set_mempolicy,migrate_pages,move_pages,mbind,swapon,swapoff,acct,add_key,bpf,fanotify_init,io_cancel,io_destroy,io_getevents,io_setup,io_submit,ioprio_set,kcmp,keyctl,mount,name_to_handle_at,nfsservctl,open_by_handle_at,personality,pivot_root,process_vm_readv,ptrace,remap_file_pages,request_key,setdomainname,sethostname,syslog,umount2,userfaultfd,vhangup,vmsplice,
Child process initialized in 162.70 ms

Parent is shutting down, bye...`

Start by reproducing proxychains4 firefox www.dnsleaktest.com with the reported /etc/proxychains4.conf, preloaded library, and Firefox/firejail output. Trace whether Firefox traffic reaches the configured proxy; done means identifying the cause and verifying that the command routes traffic through the proxy.